Energy Information Administration
January 2009 Monthly Energy Review
Note: Information about data precision and revisions.
Posted: January 26, 2009
Next Update: Last week of February 2009
Table 9.3. Landed Costs of Crude Oil Imports from Selected Countries
Year | Landed Cost of Crude Oil Imports From Angola (Nominal Dollars per Barrel) | Landed Cost of Crude Oil Imports From Canada (Nominal Dollars per Barrel) | Landed Cost of Crude Oil Imports From Colombia (Nominal Dollars per Barrel) | Landed Cost of Crude Oil Imports From Mexico (Nominal Dollars per Barrel) | Landed Cost of Crude Oil Imports From Nigeria (Nominal Dollars per Barrel) | Landed Cost of Crude Oil Imports From Saudi Arabia (Nominal Dollars per Barrel) | Landed Cost of Crude Oil Imports From United Kingdom (Nominal Dollars per Barrel) | Landed Cost of Crude Oil Imports From Venezuela (Nominal Dollars per Barrel) | Landed Cost of Crude Oil Imports From Persian Gulf Nations (Nominal Dollars per Barrel) | Landed Cost of Crude Oil Imports From All OPEC Countries (Nominal Dollars per Barrel) | Landed Cost of Crude Oil Imports From All Non-OPEC Countries (Nominal Dollars per Barrel) |
1973 January | Not Available | Not Available | Not Available | Not Available | Not Available | Not Available | Not Available | Not Available | Not Available | Not Available | Not Available |
1973 February | Not Available | Not Available | Not Available | Not Available | Not Available | Not Available | Not Available | Not Available | Not Available | Not Available | Not Available |
1973 March | Not Available | Not Available | Not Available | Not Available | Not Available | Not Available | Not Available | Not Available | Not Available | Not Available | Not Available |
1973 April | Not Available | Not Available | Not Available | Not Available | Not Available | Not Available | Not Available | Not Available | Not Available | Not Available | Not Available |
1973 May | Not Available | Not Available | Not Available | Not Available | Not Available | Not Available | Not Available | Not Available | Not Available | Not Available | Not Available |
1973 June | Not Available | Not Available | Not Available | Not Available | Not Available | Not Available | Not Available | Not Available | Not Available | Not Available | Not Available |
1973 July | Not Available | Not Available | Not Available | Not Available | Not Available | Not Available | Not Available | Not Available | Not Available | Not Available | Not Available |
1973 August | Not Available | Not Available | Not Available | Not Available | Not Available | Not Available | Not Available | Not Available | Not Available | Not Available | Not Available |
1973 September | Not Available | Not Available | Not Available | Not Available | Not Available | Not Available | Not Available | Not Available | Not Available | Not Available | Not Available |
1973 October | Withheld | 4.82 | Not Available | Not Available | 7.46 | 5.28 | Not Available | 4.8 | 5.58 | 5.89 | 5 |
1973 November | Withheld | 4.88 | Not Available | Not Available | 9.01 | 5.54 | Not Available | 6.37 | 6.21 | 7.07 | 5.31 |
1973 December | Withheld | 6.39 | Withheld | Not Available | 10.71 | Withheld | Not Available | 6.76 | 6.35 | 8.01 | 6.81 |
1973 Average | Withheld | 5.33 | Withheld | Not Available | 9.08 | 5.37 | Not Available | 5.99 | 5.91 | 6.85 | 5.64 |
1974 January | Withheld | 6.91 | Not Available | Not Available | 13.67 | Not Available | Not Available | 11.35 | 10.59 | 11.94 | 7.88 |
1974 February | 14.17 | 11.13 | Not Available | Not Available | 13.96 | Not Available | Not Available | 11.38 | 13.47 | 13.1 | 11.41 |
1974 March | Withheld | 11.11 | Withheld | Not Available | 14.36 | Withheld | Not Available | 11.56 | 12.86 | 13.04 | 11.47 |
1974 April | 13.71 | 11.24 | Not Available | Not Available | 14.2 | 11.69 | Not Available | 11.48 | 12.31 | 13.01 | 11.74 |
1974 May | 12.78 | 11.58 | Not Available | Not Available | 14.02 | 11.48 | Not Available | 11.54 | 12.4 | 12.93 | 11.98 |
1974 June | Withheld | 13.11 | Not Available | Not Available | 13.93 | 11.69 | Not Available | 10.98 | 12.37 | 12.84 | 13.24 |
1974 July | 12.56 | 12.27 | Not Available | Not Available | 12.87 | 11.56 | Not Available | 10.99 | 12.09 | 12.33 | 12.52 |
1974 August | 12.29 | 12.34 | Not Available | Not Available | 12.86 | 11.21 | Not Available | 11.33 | 12.01 | 12.36 | 12.5 |
1974 September | Withheld | 12.34 | Not Available | Not Available | 12.35 | 11.32 | Not Available | 11.02 | 11.65 | 11.97 | 12.44 |
1974 October | Withheld | 12.12 | Not Available | Withheld | 12.32 | 11.61 | Not Available | 11.06 | 11.98 | 12.1 | 12.02 |
1974 November | Withheld | 12.24 | Not Available | Withheld | 11.97 | 11.91 | Not Available | 11.17 | 12.23 | 12.16 | 12.19 |
1974 December | Withheld | 12.16 | Not Available | Withheld | 12.33 | 12.01 | Not Available | 11.34 | 12.29 | 12.34 | 12.17 |
1974 Average | 12.48 | 11.48 | Withheld | Withheld | 13.16 | 11.63 | Not Available | 11.25 | 12.21 | 12.49 | 11.81 |
1975 January | Withheld | 12.37 | Not Available | 11.83 | 12.28 | 12.03 | Not Available | 11.18 | 12.33 | 12.3 | 12.12 |
1975 February | Withheld | 12.28 | Not Available | 12.13 | 12.41 | 12.02 | Not Available | 11.98 | 12.31 | 12.43 | 12.18 |
1975 March | Withheld | 12.81 | Not Available | 11.95 | 12.18 | 12.2 | Not Available | 12.27 | 12.4 | 12.41 | 12.62 |
1975 April | Withheld | 12.84 | Not Available | 12.15 | 12.14 | 12.19 | Not Available | 12.15 | 12.36 | 12.32 | 12.68 |
1975 May | Withheld | 12.27 | Not Available | 11.94 | 12.28 | 12.25 | Not Available | 12.21 | 12.64 | 12.53 | 12.25 |
1975 June | Withheld | 12.32 | Not Available | 12.31 | 12.56 | 11.7 | Not Available | 12.45 | 12.41 | 12.58 | 12.19 |
1975 July | 11.37 | 12.75 | Not Available | 13.06 | 12.47 | 12.21 | Not Available | 12.41 | 12.38 | 12.46 | 12.61 |
1975 August | 11.68 | 12.46 | Not Available | 12.71 | 12.45 | 12.49 | Not Available | 12.29 | 12.65 | 12.54 | 12.4 |
1975 September | 11.57 | 12.75 | Not Available | 12.99 | 12.83 | 12.06 | Not Available | 12.36 | 12.28 | 12.58 | 12.61 |
1975 October | 13.31 | 13.33 | Not Available | 13.07 | 13.39 | 13.06 | Not Available | 13.13 | 13.02 | 13.19 | 13.24 |
1975 November | 12.54 | 14.15 | Not Available | 13.16 | 13.45 | 13.35 | Not Available | 13.23 | 13.32 | 13.42 | 13.76 |
1975 December | Withheld | 13.93 | Not Available | 13.01 | 13.55 | 12.98 | Not Available | 12.51 | 13.12 | 13.29 | 13.68 |
1975 Average | 11.81 | 12.84 | Not Available | 12.61 | 12.7 | 12.5 | Not Available | 12.36 | 12.64 | 12.7 | 12.7 |
1976 January | Not Available | 12.97 | Not Available | 12.64 | 13.57 | 13.17 | Not Available | 11.56 | 13.13 | 13.27 | 13.24 |
1976 February | Not Available | 13.18 | Not Available | 12.6 | 13.31 | 13.19 | Not Available | 12.18 | 13.08 | 13.25 | 13.27 |
1976 March | Not Available | 13.15 | Not Available | 12.61 | 13.68 | 13.19 | Not Available | 11.73 | 13.09 | 13.29 | 13.2 |
1976 April | Not Available | 13.42 | Not Available | 12.58 | 13.64 | 13.12 | Not Available | 11.61 | 13.07 | 13.26 | 13.44 |
1976 May | Withheld | 13.5 | Not Available | 12.52 | 13.69 | 13.03 | Not Available | 11.57 | 13.03 | 13.2 | 13.36 |
1976 June | 12.84 | 13.89 | Not Available | 12.55 | 13.8 | 13.14 | Not Available | 11.77 | 13.08 | 13.35 | 13.48 |
1976 July | Withheld | 13.22 | Not Available | 12.66 | 13.88 | 12.94 | Withheld | 11.81 | 12.96 | 13.28 | 13.31 |
1976 August | Withheld | 13.5 | Not Available | 12.7 | 13.92 | 13.06 | Not Available | 11.95 | 13.12 | 13.38 | 13.42 |
1976 September | 12.61 | 13.44 | Not Available | 12.57 | 13.84 | 12.9 | Withheld | 12.07 | 12.98 | 13.32 | 13.32 |
1976 October | 12.75 | 13.49 | Not Available | 12.77 | 14.01 | 12.91 | Withheld | 12 | 12.94 | 13.32 | 13.34 |
1976 November | Withheld | 13.32 | Not Available | 12.71 | 13.99 | 13.09 | Withheld | 12.15 | 12.98 | 13.39 | 13.35 |
1976 December | 12.92 | 13.3 | Not Available | 12.76 | 14.16 | 13.11 | Withheld | 12.21 | 13 | 13.46 | 13.43 |
1976 Average | 12.71 | 13.36 | Not Available | 12.64 | 13.81 | 13.06 | Withheld | 11.89 | 13.03 | 13.32 | 13.35 |
1977 January | Withheld | 13.64 | Not Available | 13.82 | 14.98 | 13.33 | Withheld | 13.24 | 13.37 | 14.05 | 13.99 |
1977 February | 13.88 | 13.69 | Not Available | 14 | 15.2 | 13.54 | Withheld | 13.5 | 13.65 | 14.27 | 14.27 |
1977 March | Withheld | 14.03 | Not Available | 13.84 | 15.24 | 13.6 | 14.83 | 13.27 | 13.8 | 14.33 | 14.42 |
1977 April | 14.21 | 14.02 | Not Available | 13.79 | 15.42 | 13.53 | Withheld | 13.2 | 13.81 | 14.33 | 14.45 |
1977 May | Withheld | 14.91 | Not Available | 13.79 | 15.48 | 13.55 | 15.21 | 13.14 | 13.86 | 14.41 | 14.63 |
1977 June | Withheld | 14.41 | Not Available | 13.83 | 15.39 | 13.45 | Withheld | 13.04 | 13.74 | 14.28 | 14.66 |
1977 July | 13.93 | 14 | Not Available | 13.87 | 15.4 | 13.72 | 15.02 | 13.01 | 13.88 | 14.38 | 14.44 |
1977 August | 14.34 | 14.1 | Not Available | 13.84 | 15.32 | 13.79 | 14.93 | 12.88 | 13.87 | 14.34 | 14.51 |
1977 September | Withheld | 14.24 | Not Available | 13.75 | 15.32 | 14.05 | 14.87 | 13.08 | 14.07 | 14.46 | 14.45 |
1977 October | Withheld | 14.02 | Not Available | 13.82 | 15.34 | 13.9 | 14.54 | 13.11 | 14.02 | 14.43 | 14.39 |
1977 November | 14.19 | 14.29 | Not Available | 13.84 | 15.26 | 13.92 | 14.52 | 13 | 14 | 14.44 | 14.42 |
1977 December | 14.07 | 14.47 | Not Available | 13.72 | 15.19 | 14.08 | 14.56 | 12.95 | 14.14 | 14.48 | 14.48 |
1977 Average | 14.04 | 14.13 | Not Available | 13.82 | 15.29 | 13.69 | 14.83 | 13.11 | 13.85 | 14.35 | 14.42 |
1978 January | 14.12 | 14.12 | Not Available | 13.77 | 14.95 | 13.94 | 14.39 | 12.97 | 14.03 | 14.37 | 14.4 |
1978 February | Withheld | 13.84 | Not Available | 13.71 | 14.91 | 14.07 | Withheld | 12.93 | 13.98 | 14.33 | 14.37 |
1978 March | Withheld | 13.58 | Not Available | 13.66 | 14.89 | 13.94 | Withheld | 13.22 | 14 | 14.33 | 14.29 |
1978 April | Not Available | 14.02 | Not Available | 13.66 | 14.67 | 13.94 | 14.28 | 12.89 | 14.05 | 14.29 | 14.34 |
1978 May | Withheld | 14.39 | Not Available | 13.66 | 14.74 | 13.9 | 14.35 | 12.44 | 13.96 | 14.24 | 14.2 |
1978 June | Withheld | 15.07 | Not Available | 13.51 | 14.61 | 13.86 | 14.19 | 12.73 | 14 | 14.24 | 14.54 |
1978 July | Withheld | 14.64 | Not Available | 13.35 | 14.64 | 13.81 | 14.29 | 12.41 | 13.96 | 14.23 | 14.23 |
1978 August | Withheld | 14.78 | Not Available | 13.52 | 14.59 | 13.82 | 14.48 | 12.74 | 13.92 | 14.22 | 14.31 |
1978 September | 13.84 | 13.92 | Not Available | 13.46 | 14.78 | 13.99 | 14.53 | 13.03 | 14.03 | 14.3 | 14.21 |
1978 October | Withheld | 14.71 | Not Available | 13.42 | 15.03 | 13.89 | 14.85 | 12.78 | 14.01 | 14.35 | 14.48 |
1978 November | 14.02 | 14.72 | Not Available | 13.63 | 15.08 | 14.05 | 14.81 | 13.02 | 14.08 | 14.48 | 14.5 |
1978 December | 14.67 | 14.96 | Not Available | 13.55 | 15.32 | 14.04 | 15 | 13.05 | 14.14 | 14.63 | 14.56 |
1978 Average | 14.07 | 14.41 | Not Available | 13.56 | 14.88 | 13.94 | 14.53 | 12.84 | 14.01 | 14.34 | 14.38 |
1979 January | Withheld | 15.32 | Not Available | 14.49 | 16.02 | 14.74 | 16.5 | 14.06 | 14.82 | 15.29 | 15.64 |
1979 February | 15.79 | 15.9 | Not Available | 14.76 | 16.22 | 14.87 | 16.09 | 13.95 | 15.01 | 15.55 | 15.87 |
1979 March | Withheld | 16.41 | Not Available | 15.02 | 16.33 | 15.42 | 16.39 | 13.72 | 16.04 | 16.17 | 16.08 |
1979 April | Withheld | 17.45 | Not Available | 17.17 | 19.3 | 16.34 | 18.97 | 15.32 | 17.01 | 17.73 | 18.11 |
1979 May | Withheld | 18.65 | Not Available | 18.37 | 20.93 | 16.29 | 19.5 | 16.45 | 17.42 | 18.75 | 19.2 |
1979 June | 21.87 | 19.13 | Not Available | 17.72 | 23.4 | 20.05 | 22.52 | 16.78 | 20.58 | 21.13 | 21.07 |
1979 July | Withheld | 20.23 | Not Available | 22.41 | 25.82 | 20.26 | 26.32 | 18.32 | 21.31 | 22.71 | 23.78 |
1979 August | 25.21 | 23.07 | Not Available | 22.72 | 26.69 | 20.14 | 27.45 | 19.33 | 21.72 | 23.26 | 25.35 |
1979 September | Withheld | 25.64 | Not Available | 22.62 | 27.01 | 20.08 | 27.17 | 18.81 | 23.56 | 24.48 | 25.47 |
1979 October | 24.8 | 23.54 | Not Available | 25.34 | 26.73 | 21.24 | 26.42 | 19.81 | 23.33 | 24.48 | 26.13 |
1979 November | 29.32 | 26.03 | Not Available | 24.85 | 29.34 | 25.61 | 30.36 | 19.7 | 27.41 | 27.64 | 27.89 |
1979 December | Withheld | 26.52 | Not Available | 24.91 | 31.11 | 25.25 | 27.08 | 21.86 | 27.51 | 28.89 | 28.11 |
1979 Average | 21.06 | 20.22 | Not Available | 20.77 | 22.97 | 18.95 | 22.97 | 17.65 | 20.42 | 21.29 | 22.1 |
1980 January | Withheld | 27.99 | Not Available | 29.55 | 33.07 | 26.54 | 31.95 | 26.51 | 28.36 | 30.74 | 31.2 |
1980 February | 35.3 | 29.96 | Not Available | 32.49 | 35.66 | 27.34 | 33.22 | 26.11 | 28.78 | 32.27 | 33.36 |
1980 March | Withheld | 30.77 | Not Available | 31.17 | 36.63 | 27.62 | 35.34 | 24.29 | 28.22 | 32.17 | 33.49 |
1980 April | 32.24 | 30.29 | Not Available | 30.84 | 37.24 | 28.94 | 35.78 | 25.03 | 29.6 | 32.91 | 33.49 |
1980 May | Withheld | 31.16 | Not Available | 31.18 | 37.96 | 29.49 | 35.84 | 24.48 | 30.25 | 33.6 | 33.59 |
1980 June | 35.5 | 31.26 | Not Available | 31.43 | 38.08 | 30.03 | 37.41 | 26.48 | 30.96 | 34.04 | 34.35 |
1980 July | Withheld | 31.32 | Withheld | 32.51 | 38.82 | 30 | 37.25 | 25.85 | 30.64 | 34.24 | 35.26 |
1980 August | Withheld | 31.44 | Not Available | 32.67 | 37.8 | 31.13 | 36.08 | 25.61 | 32.07 | 34.63 | 34.85 |
1980 September | 35.16 | 30.96 | Not Available | 32.13 | 37.68 | 31.51 | 36.62 | 26.21 | 32.3 | 34.55 | 34.79 |
1980 October | Withheld | 29.31 | Not Available | 32.04 | 37.88 | 31.54 | 37.15 | 23.25 | 32.17 | 34.32 | 34.36 |
1980 November | Withheld | 28.81 | Not Available | 32.42 | 37.92 | 33.05 | 36.62 | 27.58 | 33.55 | 35.42 | 34.95 |
1980 December | Withheld | 29.54 | Not Available | 33.1 | 38.33 | 33.69 | Withheld | 28.21 | 33.82 | 35.65 | 35.08 |
1980 Average | 34.76 | 30.11 | Withheld | 31.77 | 37.15 | 29.8 | 35.68 | 25.92 | 30.59 | 33.56 | 33.99 |
1981 January | Withheld | 34.73 | Not Available | 36.18 | 41.45 | 34.32 | 40.12 | 33.81 | 34.61 | 37.83 | 38.34 |
1981 February | Withheld | 33.7 | Not Available | 37.49 | 41.58 | 34.49 | 40.59 | 31.33 | 35.17 | 38.07 | 39 |
1981 March | Withheld | 33.97 | Not Available | 36.43 | 40.99 | 34.28 | 40.72 | 31.89 | 35.08 | 37.98 | 38.28 |
1981 April | Withheld | 33.74 | Not Available | 34.36 | 40.97 | 34.11 | 40.41 | 30.29 | 34.43 | 37.37 | 36.9 |
1981 May | Withheld | 32.76 | Not Available | 34.89 | 40.18 | 33.77 | 37.46 | 28.8 | 34.27 | 36.9 | 37.08 |
1981 June | Withheld | 32.82 | Not Available | 31 | 40.08 | 33.75 | 36.36 | 29.66 | 34.69 | 36.78 | 35.09 |
1981 July | Withheld | 31.32 | Not Available | 33.07 | 40.27 | 33.8 | 36.19 | 29.5 | 33.87 | 35.03 | 35.96 |
1981 August | Withheld | 30.44 | Not Available | 31.6 | 39 | 33.68 | 35.74 | 27.8 | 33.95 | 35.19 | 34.76 |
1981 September | Withheld | 30.78 | Not Available | 30.83 | 37.29 | 33.71 | 35.98 | 29.39 | 34.14 | 35.38 | 34.5 |
1981 October | Withheld | 31.3 | Not Available | 31.5 | 36.71 | 34.94 | 36.01 | 28.71 | 35.32 | 35.41 | 34.44 |
1981 November | Withheld | 30.86 | Not Available | 32.18 | 37.62 | 35.06 | 36.88 | 29.39 | 35.57 | 36.16 | 34.88 |
1981 December | Withheld | 31.41 | Not Available | 31.82 | 37.68 | 35.39 | 37.32 | 29.04 | 35.38 | 36.26 | 34.79 |
1981 Average | 36.84 | 32.32 | Not Available | 33.7 | 39.66 | 34.2 | 37.29 | 29.91 | 34.61 | 36.6 | 36.14 |
1982 January | Withheld | 31.18 | Not Available | 30.15 | 37.25 | 34.78 | 36.79 | 29.14 | 34.96 | 35.74 | 34.1 |
1982 February | Withheld | 29.02 | Not Available | 31.48 | 37.18 | 34.58 | 35.04 | 30.21 | 34.79 | 35.52 | 33.33 |
1982 March | Withheld | 26.57 | Not Available | 28.68 | 35.87 | 35.04 | 31.35 | 23.93 | 35.51 | 35.14 | 30.71 |
1982 April | Withheld | 25.2 | Not Available | 27.59 | 34.84 | 35 | Withheld | 22.88 | 35.11 | 34.51 | 30.48 |
1982 May | Withheld | 25.34 | Not Available | 28.82 | 35.95 | 34 | 32.85 | 23.73 | 34.02 | 34.38 | 31.3 |
1982 June | Withheld | 24.96 | Not Available | 28.5 | 36.02 | 35.55 | 34.84 | 22.86 | 35.59 | 35.19 | 31.6 |
1982 July | Withheld | 26.83 | Not Available | 29.11 | 36.19 | 35.22 | 34.76 | 24.28 | 35.06 | 35.01 | 31.53 |
1982 August | 32.13 | 26.71 | Not Available | 27.9 | 36.04 | 34.59 | 34.32 | 21.78 | 34.09 | 34.16 | 30.79 |
1982 September | Withheld | 26.66 | Not Available | 28.49 | 35.69 | 34.69 | 34.5 | 24.36 | 34.52 | 34.08 | 31.41 |
1982 October | Withheld | 27.2 | Not Available | 28.21 | 36.16 | 35.4 | 34.69 | 24.27 | 34.96 | 34.69 | 31.68 |
1982 November | Withheld | 27.16 | Not Available | 28.17 | 36.09 | 35.42 | 34.76 | 24.98 | 35.09 | 34.46 | 31.08 |
1982 December | Withheld | 27.35 | Not Available | 28.19 | 34.65 | 36.17 | 33.9 | 27.09 | 35.52 | 34.16 | 30.97 |
1982 Average | 33.08 | 27.15 | Not Available | 28.63 | 36.16 | 34.99 | 34.25 | 24.93 | 34.94 | 34.81 | 31.47 |
1983 January | Withheld | 27.6 | Not Available | 27.44 | Withheld | Withheld | 33.44 | 23.2 | 32.6 | 33.11 | 29.64 |
1983 February | Withheld | 26.19 | Not Available | 26.15 | 32.24 | Withheld | 32.66 | 23.36 | Withheld | 30.42 | 28.6 |
1983 March | Withheld | 24.78 | Not Available | 25.06 | 30.55 | 31.67 | 30.03 | 21.48 | 29.99 | 28.88 | 27.3 |
1983 April | Withheld | 24.41 | Not Available | 24.65 | 30.63 | 28.99 | 30.84 | 21.45 | 29.42 | 29.42 | 27.39 |
1983 May | 28.7 | 24.37 | Not Available | 25.17 | 30.75 | Withheld | 30.6 | 21.24 | 29.5 | 29.78 | 27.45 |
1983 June | Withheld | 24.92 | Not Available | 24.81 | 30.56 | 29.86 | 30.06 | 22.07 | 29.64 | 30.12 | 27.71 |
1983 July | Withheld | 25.45 | Not Available | 25.34 | 30.91 | 29.49 | 30.86 | 21.3 | 29.73 | 29.98 | 27.82 |
1983 August | Withheld | 25.45 | Not Available | 25.8 | 31.25 | 28.97 | 30.91 | 22.82 | 29.14 | 29.95 | 28.32 |
1983 September | Withheld | 25.71 | Not Available | 25.66 | 30.7 | 29.13 | 31.52 | 23.12 | 29.14 | 29.62 | 28.74 |
1983 October | Withheld | 26.01 | Not Available | 26.44 | 31.16 | 29.41 | 30.79 | 24.75 | 29.39 | 29.8 | 28.12 |
1983 November | Withheld | 25.83 | Not Available | 26.29 | 31.02 | 29.29 | 30.33 | 24.68 | 29.25 | 29.78 | 28.08 |
1983 December | Withheld | 26.49 | Not Available | 26.88 | 30.57 | 28.51 | 30 | 24.91 | 28.46 | 29 | 28.27 |
1983 Average | 29.31 | 25.63 | Not Available | 25.78 | 30.85 | 29.27 | 30.87 | 22.94 | 29.37 | 29.84 | 28.08 |
1984 January | Withheld | 26.31 | Not Available | 26.85 | 30.62 | 29.64 | 30.09 | 25.27 | 29.26 | 29.34 | 28.06 |
1984 February | 28.52 | 26.33 | Not Available | 26.73 | 31.29 | 28.36 | 30.77 | 25.19 | 28.66 | 29.4 | 28.57 |
1984 March | 29.64 | 25.99 | Not Available | 26.92 | 30.93 | 29.49 | 30.98 | 24.75 | 29.51 | 29.6 | 28.29 |
1984 April | Withheld | 26 | Not Available | 26.68 | 31.08 | 29.41 | 30.73 | 24.86 | 29.37 | 29.37 | 28.63 |
1984 May | 29.39 | 27.03 | Not Available | 26.92 | 30.96 | 29.02 | 30.75 | 24.93 | 29.24 | 29.42 | 28.59 |
1984 June | 28.9 | 25.97 | Not Available | 27.24 | 30.77 | 29.25 | 30.43 | 25.29 | 29.29 | 29.44 | 28.56 |
1984 July | 28.56 | 27.09 | Not Available | 26.98 | 30.07 | 29.46 | 29.54 | 25.26 | 28.81 | 28.68 | 28.21 |
1984 August | Withheld | 26.88 | Not Available | 26.99 | 29.99 | Withheld | 28.94 | 24.95 | 29.66 | 28.94 | 28.05 |
1984 September | Withheld | 26.98 | Not Available | 26.66 | 30.5 | 29.75 | 27.6 | 25.57 | 29.12 | 28.95 | 27.77 |
1984 October | Withheld | 26.98 | Not Available | 26.79 | 29.35 | 28.62 | 29.27 | 25.58 | 28.57 | 28.46 | 28.03 |
1984 November | Withheld | 26.29 | Not Available | 26.83 | 29.45 | Not Available | 28.39 | 25.33 | 28.34 | 28.42 | 27.65 |
1984 December | Withheld | 26.49 | Not Available | 26.65 | 28.2 | Not Available | 28.55 | 25.24 | 27.86 | 27.95 | 27.34 |
1984 Average | 28.49 | 26.56 | Not Available | 26.85 | 30.36 | 29.2 | 29.45 | 25.19 | 29.07 | 29.06 | 28.14 |
1985 January | 26.39 | 25.3 | Not Available | 26.8 | 28.7 | Withheld | 28.85 | 25.36 | Withheld | 27.6 | 26.78 |
1985 February | Withheld | 24 | Not Available | 26.51 | 28.55 | Withheld | 28.23 | 25.37 | 28.82 | 27.68 | 26.32 |
1985 March | 27.74 | 25.17 | Not Available | 26.72 | 29.42 | Not Available | Withheld | 25.73 | 28.15 | 27.6 | 26.86 |
1985 April | 28.33 | 26.14 | Not Available | 26.67 | 28.99 | Withheld | 28.7 | 25.44 | 27.63 | 27.95 | 27.2 |
1985 May | 27.04 | 26.3 | Not Available | 26.66 | 28.73 | Not Available | 28.07 | 25.26 | 26.31 | 27.5 | 27.04 |
1985 June | Withheld | 26.24 | Not Available | 25.29 | 27.81 | Not Available | 27.54 | 25.13 | 25.15 | 26.63 | 26.39 |
1985 July | 26.48 | 25.97 | Not Available | 24.76 | 28.56 | Withheld | 27.6 | 23.81 | 25.5 | 26.87 | 26 |
1985 August | 26.1 | 26.05 | Not Available | 24.96 | 28.54 | Not Available | 27.61 | 23.45 | 26.07 | 26.44 | 26.14 |
1985 September | 27.24 | 25.94 | Not Available | 25 | 28.76 | Withheld | 28.23 | 23.38 | 26.91 | 26.61 | 26.38 |
1985 October | 27.45 | 25.9 | Not Available | 25.09 | 29.06 | 26.69 | 29 | 23.57 | 26.73 | 26.9 | 26.55 |
1985 November | 28.7 | 25.91 | Not Available | 24.91 | 29.61 | 24.72 | 29.45 | 23.8 | 25.42 | 26.82 | 26.65 |
1985 December | 27.59 | 25.56 | Not Available | 23.94 | 30.38 | 21.09 | 28.78 | 23.53 | 21.67 | 24.74 | 25.75 |
1985 Average | 27.39 | 25.71 | Not Available | 25.63 | 28.96 | 24.72 | 28.36 | 24.43 | 25.5 | 26.86 | 26.53 |
1986 January | 23 | 23.89 | Not Available | 20.33 | 27.73 | 14.54 | 25.36 | 22.21 | 16.27 | 22.68 | 23.06 |
1986 February | 17.86 | 17.42 | Withheld | 14.61 | 21.18 | 13.8 | 18.22 | 13.27 | 13.77 | 15.4 | 16.96 |
1986 March | 14.24 | 12.96 | Not Available | 11.94 | 16.44 | 13.6 | 16.02 | 11.04 | 13.48 | 13.67 | 13.42 |
1986 April | Withheld | 11.69 | 13.28 | 10.74 | 15.02 | 13.66 | 13 | 11.13 | 13.14 | 12.97 | 11.9 |
1986 May | 13.37 | 12.11 | 13.54 | 11.06 | 14.22 | 10.68 | 14.17 | 11.44 | 11.14 | 11.98 | 12.49 |
1986 June | 13.08 | 12.74 | 11.83 | 10.26 | 13.95 | 10.49 | 13.65 | 10.24 | 11.06 | 11.7 | 12.09 |
1986 July | Withheld | 11.19 | 10.36 | 8.93 | 12.11 | 11.33 | 11.83 | 8.45 | 11.59 | 11.14 | 10.6 |
1986 August | 11.22 | 11.71 | 11.53 | 10.87 | 12.29 | 11.27 | 11.56 | 10.66 | 11.51 | 11.54 | 11.49 |
1986 September | 12.38 | 12.52 | 12.93 | 11.95 | 14.11 | 12.08 | 14.15 | 10.86 | 12.51 | 12.6 | 12.8 |
1986 October | 13.53 | 12.47 | 13.87 | 11.74 | 14.64 | 12.84 | 14.76 | 10.87 | 13.09 | 13.15 | 13.05 |
1986 November | 14.03 | 12.51 | 13.98 | 12.13 | 14.64 | 14.63 | 14.65 | 11.24 | 14.5 | 13.72 | 13.35 |
1986 December | 14.93 | 12.85 | 14.7 | 13.04 | 15.56 | 16.13 | 15.42 | 13.24 | 15.76 | 15.01 | 13.99 |
1986 Average | 14.09 | 13.43 | 12.85 | 12.17 | 15.29 | 12.84 | 14.63 | 11.52 | 12.92 | 13.46 | 13.52 |
1987 January | 17.56 | 14.65 | 17.7 | 15.92 | 18.02 | 15.87 | 17.47 | 14.45 | 15.89 | 16.02 | 16.28 |
1987 February | 18 | 15.49 | 17.83 | 15.67 | 18.54 | 17.8 | 18.14 | 14.63 | 17.59 | 16.95 | 16.77 |
1987 March | 16.95 | 15.72 | 17.71 | 16.32 | 18.3 | 17.61 | 18.02 | 15.27 | 17.57 | 17.25 | 16.9 |
1987 April | 17.96 | 16.31 | 18.26 | 16.71 | 18.96 | 17.69 | 18.19 | 16.03 | 17.59 | 17.69 | 17.38 |
1987 May | 18.04 | 17.11 | 19.11 | 18.02 | 19.29 | 17.66 | 19.04 | 16.24 | 17.84 | 17.82 | 18 |
1987 June | 18.48 | 17.73 | 19.23 | 18.07 | 19.54 | 17.8 | 19.43 | 16.85 | 18.05 | 18.28 | 18.41 |
1987 July | 19.56 | 18.61 | 20.36 | 19.08 | 19.95 | 17.69 | 20.38 | 17.09 | 18.22 | 18.53 | 19.3 |
1987 August | 19.77 | 19 | 19.5 | 17.89 | 20.63 | 18.01 | 20.41 | 16.53 | 18.48 | 18.73 | 19.1 |
1987 September | 18.58 | 17.81 | 18.76 | 16.61 | 19.38 | 17.93 | 18.96 | 16.14 | 18.17 | 18.14 | 17.93 |
1987 October | 18.33 | 17.68 | 18.8 | 16.98 | 19.45 | 15.71 | 19.05 | 16.26 | 16.75 | 17.41 | 17.97 |
1987 November | 17.85 | 17.38 | 17.9 | 15.84 | 19.44 | 15.59 | 18.76 | 15.19 | 17.1 | 17.54 | 17.5 |
1987 December | 16.97 | 16.13 | 16.9 | 13.09 | 18.5 | 14.79 | 17.99 | 13.9 | 15.38 | 16.05 | 16.01 |
1987 Average | 18.2 | 17.04 | 18.43 | 16.69 | 19.32 | 16.81 | 18.78 | 15.76 | 17.47 | 17.64 | 17.66 |
1988 January | 16.65 | 14.58 | 15.54 | 13.16 | 17.91 | 13.23 | 17.59 | 13.1 | 14.05 | 14.61 | 15.16 |
1988 February | 15.19 | 14.37 | Withheld | 13.3 | 16.59 | 14 | 16.7 | 13.05 | 14.14 | 14.59 | 14.87 |
1988 March | 15.28 | 13.66 | 15.04 | 12.22 | 16.47 | 14.07 | 15.72 | 13.5 | 14.2 | 14.74 | 14.21 |
1988 April | 16.01 | 14.39 | 15.51 | 13.97 | 16.88 | 14.12 | 16.11 | 14.18 | 14.61 | 15.27 | 15.07 |
1988 May | 15.97 | 15.12 | 15.92 | 14.09 | 17 | 14.51 | 16.97 | 14.24 | 14.86 | 15.5 | 15.55 |
1988 June | 15.09 | 14.67 | Withheld | 13.21 | 16.59 | 13.91 | 16.29 | 14.32 | 14.21 | 15 | 14.7 |
1988 July | 14.91 | 13.31 | 15.13 | 12.58 | 15.68 | 13.17 | 15.52 | 13.78 | 13.55 | 14.25 | 13.87 |
1988 August | 14.04 | 13.13 | 14.46 | 12.77 | 15.55 | 12.44 | 15.72 | 13.28 | 13.08 | 13.69 | 13.56 |
1988 September | 13.38 | 12.89 | 13.33 | 12.09 | 14.49 | 11.78 | 14.38 | 12.96 | 11.97 | 12.92 | 13.18 |
1988 October | 12.52 | 11.73 | 12.51 | 10.42 | 14.32 | 11.93 | 13.33 | 13.58 | 11.89 | 12.74 | 12.05 |
1988 November | 12.8 | 11.58 | 12.37 | 10.56 | 14.49 | 12.79 | 14.02 | 13.12 | 12.41 | 12.87 | 12.04 |
1988 December | 14.22 | 12.57 | 14.09 | 12.81 | 16.31 | 14.62 | 15.12 | 14.34 | 14.39 | 14.67 | 13.38 |
1988 Average | 14.48 | 13.5 | 14.47 | 12.58 | 15.88 | 13.37 | 15.82 | 13.66 | 13.51 | 14.18 | 13.96 |
1989 January | 15.79 | 14.47 | 16.23 | 14.48 | 17.54 | 15.9 | 17.17 | 14.05 | 15.71 | 15.98 | 15.28 |
1989 February | 17.39 | 14.97 | 17.18 | 14.55 | 18.19 | 16.6 | 17.88 | 14.62 | 16.52 | 16.74 | 16.05 |
1989 March | 18.7 | 15.88 | 18.5 | 15.37 | 19.32 | 17 | 17.9 | 17.3 | 17.26 | 17.8 | 17.08 |
1989 April | 19.39 | 17.42 | 20.33 | 17.78 | 20.53 | 18.95 | 20 | 18.45 | 18.81 | 19.23 | 18.67 |
1989 May | 19.17 | 17.81 | 18.94 | 17.35 | 19.65 | 17.43 | 20.04 | 17.32 | 17.57 | 18.15 | 18.57 |
1989 June | 18.82 | 17.69 | 17.9 | 16.99 | 18.9 | 16.84 | 18.74 | 16.13 | 16.99 | 17.45 | 17.84 |
1989 July | 17.87 | 17.89 | 17.62 | 16.84 | 18.68 | 16.72 | 18.81 | 15.13 | 16.72 | 17.13 | 17.8 |
1989 August | 17.36 | 16.62 | 16.82 | 15.62 | 18.01 | 16.42 | 18.2 | 16.5 | 16.41 | 16.86 | 16.79 |
1989 September | 17.83 | 17 | 17.39 | 15.76 | 18.72 | 16.84 | 18.11 | 16.67 | 16.91 | 17.29 | 17.27 |
1989 October | 18.41 | 17.44 | 17.85 | 16.52 | 19.82 | 17.9 | 18.71 | 16.13 | 17.81 | 17.97 | 17.87 |
1989 November | 18.67 | 17.08 | 18.48 | 16.85 | 20.14 | 18.08 | 19.31 | 16.38 | 18.14 | 18.27 | 18 |
1989 December | 20.14 | 17.49 | 19.36 | 18.01 | 20.98 | 19.28 | 20.32 | 20.16 | 19.42 | 19.93 | 18.88 |
1989 Average | 18.36 | 16.81 | 18.1 | 16.35 | 19.19 | 17.34 | 18.74 | 16.78 | 17.37 | 17.78 | 17.54 |
1990 January | 21.49 | 18.52 | 21.17 | 18.49 | 22.36 | 19.18 | 21.56 | 17.86 | 19.3 | 19.77 | 19.86 |
1990 February | 20.93 | 18.52 | 20.3 | 17.13 | 21.46 | 18.32 | Withheld | 16.69 | 18.24 | 18.98 | 18.94 |
1990 March | 19.84 | 17.3 | 19.29 | 16.64 | 19.69 | 16.63 | 20.61 | 16.64 | 16.51 | 17.68 | 18.27 |
1990 April | 17.22 | 15.65 | 15.8 | 13.79 | 18.06 | 14.5 | 17.92 | 16.3 | 14.52 | 15.83 | 16.14 |
1990 May | 16.72 | 15.44 | 14.73 | 12.76 | 17.53 | 14.21 | 17.1 | 15.47 | 13.91 | 15.15 | 15.52 |
1990 June | 15.28 | 14 | 13.92 | 11.29 | 16.62 | 16.31 | 17.24 | 14 | 15.55 | 15.53 | 14.23 |
1990 July | 17.12 | 15.01 | 14.88 | 13.37 | 18.04 | 19.89 | 16.68 | 17.4 | 19.91 | 19.01 | 15.52 |
1990 August | 22.66 | 21.26 | 24.22 | 21.5 | 26.71 | 28.84 | 23.8 | 25.08 | 26.82 | 26.31 | 22.39 |
1990 September | 25.77 | 27.8 | 28.94 | 27.38 | 33.41 | 30.06 | 30.26 | 28.56 | 29.94 | 30.27 | 28.43 |
1990 October | 32.96 | 31.04 | 34.2 | 29.61 | 37.72 | 30.46 | 33.75 | 27 | 30.68 | 31.08 | 31.97 |
1990 November | 30.06 | 28.6 | 30.22 | 27.64 | 34.55 | 26.37 | Withheld | 23.77 | 26.61 | 27.77 | 29.01 |
1990 December | 26.93 | 23.6 | 27.89 | 23 | 30.45 | 20.92 | Withheld | 21.3 | 21.12 | 23.26 | 25.11 |
1990 Average | 21.51 | 20.48 | 22.34 | 19.64 | 23.33 | 21.82 | 22.65 | 20.31 | 20.55 | 21.23 | 20.98 |
1991 January | 24.16 | 20.81 | 24.69 | 19.98 | 26 | 18.53 | Withheld | 18.35 | 18.68 | 20.16 | 21.85 |
1991 February | 20.17 | 17.05 | 18.82 | 14.23 | 21.66 | 16.18 | Withheld | 15.76 | 16.22 | 17.43 | 16.96 |
1991 March | 19.41 | 15.2 | 18.29 | 14.15 | 20.6 | 17.08 | 25.77 | 16.18 | 17.1 | 17.88 | 16.19 |
1991 April | 17.99 | 16.26 | 19.53 | 15.85 | 20.31 | 17.54 | 20.56 | 16.35 | 17.55 | 18.17 | 17.26 |
1991 May | 19.58 | 16.28 | 18.54 | 15.81 | 20.5 | 17.34 | 20.21 | 15.74 | 17.34 | 17.98 | 17.56 |
1991 June | 18.28 | 16.19 | 17.62 | 15.2 | 19.79 | 16.85 | 19.35 | 14.61 | 16.99 | 17.32 | 16.92 |
1991 July | 18.56 | 17.14 | 18.73 | 15.89 | 20.73 | 17.48 | 20.47 | 15.92 | 17.54 | 17.96 | 17.67 |
1991 August | 19.57 | 17.61 | 18.74 | 15.78 | 21.29 | 18.04 | 20.71 | 15.64 | 18.13 | 18.4 | 17.94 |
1991 September | 21.03 | 17.84 | 19.25 | 15.82 | 22.13 | 18.19 | 21.16 | 16.44 | 18.34 | 18.7 | 18.53 |
1991 October | 21.18 | 18.38 | 20.31 | 17.34 | 23.68 | 17.62 | 22.07 | 17.26 | 17.82 | 19.03 | 19.04 |
1991 November | 20.82 | 17.53 | 20.32 | 16.53 | 22.71 | 16.46 | 22.71 | 15.66 | 16.66 | 17.95 | 18.85 |
1991 December | 18.62 | 15.87 | 17.52 | 13.96 | 19.96 | 15.03 | 20.29 | 13.46 | 15.41 | 15.94 | 16.54 |
1991 Average | 19.9 | 17.16 | 19.55 | 15.89 | 21.39 | 17.22 | 21.37 | 15.92 | 17.34 | 18.08 | 17.93 |
1992 January | 17.88 | 14.83 | 16.67 | 13.02 | 19.34 | 14.81 | Withheld | 13.2 | 14.95 | 15.38 | 15.14 |
1992 February | 17.87 | 15.57 | 16.92 | 12.78 | 19.1 | 15.61 | Withheld | 13.47 | 15.71 | 15.87 | 15.21 |
1992 March | 17.56 | 15.68 | 16.59 | 13.06 | 19.05 | 16.05 | 18.83 | 13.41 | 16.14 | 16.29 | 15.6 |
1992 April | 17.82 | 16.42 | 17.65 | 14.4 | 20.32 | 18.01 | 18.97 | 15.06 | 18.07 | 18.07 | 16.6 |
1992 May | 19.25 | 17.35 | 18.67 | 16.39 | 21.25 | 18.62 | 19.99 | 15.73 | 18.75 | 18.65 | 18 |
1992 June | 21.17 | 18.4 | 21.01 | 17.41 | 22.11 | 19.49 | 20.85 | 16.01 | 19.56 | 19.57 | 19.27 |
1992 July | 20.73 | 18.5 | 19.8 | 17.2 | 21.49 | 19 | 21.45 | 15.78 | 19.1 | 19.06 | 19.21 |
1992 August | 20.11 | 18.28 | 19.04 | 16.74 | 21.05 | 18.45 | 21.37 | 16.1 | 18.71 | 18.7 | 18.78 |
1992 September | 20.38 | 18.35 | 19.54 | 17.34 | 21.57 | 18.45 | 20.72 | 16.89 | 18.51 | 18.83 | 19 |
1992 October | 20.32 | 18.35 | 19.55 | 17.26 | 21.6 | 17.96 | 21.17 | 16.14 | 18.06 | 18.56 | 18.98 |
1992 November | 19.78 | 17.26 | Withheld | 16.18 | 20.79 | 17.02 | 21 | 14.51 | 17.05 | 17.28 | 18.14 |
1992 December | 18.61 | 15.85 | 17.14 | 15.12 | 19.32 | 16.64 | 19.46 | 14.07 | 16.63 | 16.62 | 16.53 |
1992 Average | 19.36 | 17.04 | 18.46 | 15.6 | 20.78 | 17.48 | 20.63 | 15.13 | 17.58 | 17.81 | 17.67 |
1993 January | 17.82 | 15.28 | 16.13 | 14.5 | 18.94 | 16.46 | 19.12 | 14.07 | 16.49 | 16.67 | 15.96 |
1993 February | 18.36 | 15.84 | 17.99 | 14.98 | 19.92 | 17.3 | 19.28 | 14.6 | 17.3 | 17.44 | 16.67 |
1993 March | 19.09 | 16.48 | 18.01 | 15.5 | 20.25 | 17.56 | 19.43 | 15.14 | 17.56 | 17.84 | 17.21 |
1993 April | 19.1 | 16.79 | 18.23 | 15.56 | 20.18 | 17.46 | 19.32 | 15.55 | 17.43 | 17.71 | 17.35 |
1993 May | 19.04 | 16.82 | 18.07 | 15.57 | 19.83 | 16.45 | 19.33 | 14.91 | 16.54 | 17.22 | 17.42 |
1993 June | 18.23 | 16.25 | 17.77 | 14.49 | 18.94 | 15.83 | 18.67 | 13.49 | 15.92 | 16.06 | 16.59 |
1993 July | 17.52 | 15.3 | 15.7 | 13.44 | 18.31 | 14.95 | 17.51 | 12.92 | 14.94 | 15.32 | 15.6 |
1993 August | 16.89 | 14.94 | 15.92 | 13.66 | 18.1 | 15.04 | 17.56 | 13.32 | 15.09 | 15.23 | 15.29 |
1993 September | 16.65 | 14.56 | 15.82 | 13.83 | 17.65 | 14.31 | 16.95 | 13.46 | 14.3 | 14.85 | 15.05 |
1993 October | 16.74 | 15.14 | 15.99 | 14.11 | 17.98 | 14.13 | 16.67 | 12.7 | 14.24 | 14.7 | 15.35 |
1993 November | 16 | 14.28 | 14.63 | 12.63 | 16.72 | 13.03 | 16.57 | 10.81 | 13.14 | 13.34 | 14.38 |
1993 December | 13.94 | 12.44 | 12.67 | 11.39 | 15.09 | 11.74 | 15.14 | 10.14 | 11.66 | 12.05 | 12.74 |
1993 Average | 17.4 | 15.27 | 16.54 | 14.11 | 18.73 | 15.4 | 17.92 | 13.39 | 15.26 | 15.68 | 15.78 |
1994 January | 14.14 | 12.13 | 13.23 | 11.61 | 15.76 | 11.66 | 14.98 | 11.78 | 11.83 | 12.94 | 12.55 |
1994 February | 14.52 | 12.05 | 13.17 | 11.73 | 14.68 | 12.32 | 15.4 | 11.12 | 12.24 | 12.59 | 12.85 |
1994 March | 14.51 | 11.92 | 13.61 | 11.97 | 15.13 | 13.31 | 14.67 | 11.87 | 12.83 | 13.05 | 12.96 |
1994 April | 15.77 | 13.43 | 15.32 | 13.23 | 16.46 | 14.3 | 15.31 | 12.72 | 14.18 | 14.47 | 14.09 |
1994 May | 16.83 | 15.25 | 16.59 | 14.1 | 17.36 | 15.81 | 16.33 | 13.53 | 15.72 | 15.62 | 15.64 |
1994 June | 17.39 | 16.45 | 17.84 | 15.44 | 18.21 | 16.6 | 17.4 | 14.15 | 16.56 | 16.48 | 16.56 |
1994 July | 17.94 | 17.53 | 18.2 | 16.17 | 18.74 | 16.81 | 17.96 | 15.02 | 16.81 | 16.88 | 17.39 |
1994 August | 16.82 | 16.51 | 17.1 | 14.97 | 17.78 | 15.68 | 17.41 | 13.24 | 15.69 | 15.69 | 16.46 |
1994 September | 16.59 | 15.5 | 16.06 | 14.04 | 17.39 | 15.62 | 16.62 | 13.04 | 15.48 | 15.25 | 15.7 |
1994 October | 16.85 | 15.54 | 16.2 | 14.82 | 17.85 | 15.41 | 17.06 | 13.85 | 15.34 | 15.51 | 15.84 |
1994 November | 17.36 | 16.06 | 16.64 | 15.61 | 18.04 | 15.85 | 17.19 | 13.03 | 15.83 | 15.63 | 16.38 |
1994 December | 16.68 | 15.41 | 16.31 | 15.56 | 17.24 | 15.56 | 16.84 | 13.5 | 15.53 | 15.34 | 15.93 |
1994 Average | 16.36 | 14.83 | 15.8 | 14.09 | 17.21 | 15.11 | 16.64 | 13.12 | 15 | 15.08 | 15.29 |
1995 January | 16.87 | 16.09 | 16.67 | 15.52 | 17.64 | 16.66 | 17.35 | 13.66 | 16.67 | 16.15 | 16.33 |
1995 February | 17.67 | 16.74 | 17.61 | 16.23 | 18.24 | 17.15 | 17.7 | 14.01 | 17.08 | 16.53 | 16.99 |
1995 March | 18.03 | 16.88 | 17.49 | 16.34 | 18.13 | 17.41 | 18 | 15.29 | 17.34 | 16.86 | 17.24 |
1995 April | 18.64 | 18.27 | 18.91 | 17.56 | 19.82 | 18.45 | 18.53 | 16.95 | 18.42 | 18.33 | 18.19 |
1995 May | 19.09 | 18.44 | 18.88 | 17.69 | 19.45 | 17.71 | 19.16 | 16.68 | 17.69 | 17.93 | 18.5 |
1995 June | 18.33 | 17.28 | 17.08 | 16.58 | 18.74 | 16.39 | 18.71 | 14.85 | 16.41 | 16.64 | 17.52 |
1995 July | 17.01 | 16.33 | 16.52 | 15.28 | 17.29 | 15.85 | 17.44 | 14.21 | 15.82 | 15.73 | 16.18 |
1995 August | 16.47 | 16.35 | 17.16 | 15.12 | 17.39 | 16.15 | 17.28 | 14.68 | 16.11 | 16.02 | 16.17 |
1995 September | 17.27 | 16.37 | 17.48 | 15.74 | 17.86 | 16.35 | 17.44 | 14.28 | 16.31 | 16.22 | 16.57 |
1995 October | 16.8 | 15.37 | 17.13 | 15.61 | 17.49 | 16.03 | 17.32 | 13.33 | 15.95 | 15.6 | 16.16 |
1995 November | 17.22 | 15.37 | 17.3 | 15.9 | 17.98 | 17 | 17.28 | 14.2 | 16.87 | 16.3 | 16.25 |
1995 December | 18.09 | 16.07 | 17.97 | 17.08 | 19.1 | 16.73 | 18.74 | 15.48 | 16.62 | 16.91 | 17.19 |
1995 Average | 17.66 | 16.65 | 17.45 | 16.19 | 18.25 | 16.84 | 17.91 | 14.81 | 16.78 | 16.61 | 16.95 |
1996 January | 18.16 | 16.07 | 18.55 | 16.95 | 19.65 | 17.98 | 18.49 | 15.12 | 17.86 | 17.41 | 17.23 |
1996 February | 18.82 | 16.33 | 18.82 | 17.07 | 19.47 | 18.76 | 19.39 | 16.02 | 18.81 | 18.06 | 17.58 |
1996 March | 20.85 | 18.55 | 20.57 | 18.95 | 21.25 | 19.59 | 19.25 | 18.63 | 19.87 | 19.81 | 19.42 |
1996 April | 21.41 | 21.1 | 23.37 | 20.23 | 22.32 | 20.55 | 20.76 | 19.14 | 20.48 | 20.26 | 21.11 |
1996 May | 20.88 | 20.16 | 21.04 | 18.67 | 21.17 | 19.55 | 21.22 | 17.42 | 19.44 | 19.17 | 19.97 |
1996 June | 19.62 | 19.2 | 20.08 | 17.75 | 20.11 | 18.92 | 20.4 | 17.14 | 18.79 | 18.64 | 19 |
1996 July | 20.7 | 19.72 | 20.62 | 18.55 | 20.85 | 19.77 | 19.79 | 17.55 | 19.58 | 19.15 | 19.54 |
1996 August | 21.58 | 20.44 | 21.47 | 19.51 | 21.95 | 20.7 | 20.56 | 18.22 | 20.52 | 20.16 | 20.44 |
1996 September | 23.4 | 21.85 | 23.47 | 21.59 | 23.4 | 21.81 | 21.69 | 20.37 | 21.8 | 21.66 | 22.23 |
1996 October | 23.94 | 22.53 | 24.42 | 22.84 | 25.57 | 22.91 | 23.12 | 20.89 | 22.77 | 22.78 | 23.3 |
1996 November | 23.47 | 21.33 | 23.81 | 21.22 | 25.19 | 22.66 | 24.1 | 20.4 | 22.64 | 22.15 | 22.31 |
1996 December | 24.48 | 21.32 | 25.2 | 22.06 | 25.42 | 21.93 | 24.23 | 21.23 | 22.04 | 22.22 | 22.73 |
1996 Average | 21.86 | 19.94 | 22.02 | 19.64 | 21.95 | 20.49 | 20.88 | 18.59 | 20.45 | 20.14 | 20.47 |
1997 January | 24.45 | 21.79 | 24.98 | 21.52 | 24.67 | 20.9 | 24.18 | 20.42 | 20.88 | 21.49 | 22.87 |
1997 February | 22.54 | 19.75 | 21.72 | 19.11 | 23.26 | 18.33 | 24.33 | 17.58 | 18.34 | 19.19 | 20.59 |
1997 March | 20.32 | 18.44 | 20.39 | 17.43 | 20.58 | 18.04 | 23.59 | 16.57 | 18.13 | 18.05 | 18.83 |
1997 April | 18.66 | 17.25 | 18.76 | 16.6 | 19.27 | 17.56 | 18.8 | 16.05 | 17.39 | 17.46 | 17.57 |
1997 May | 19.58 | 17.47 | 18.76 | 17.59 | 19.87 | 17.1 | 20.04 | 16.42 | 17.08 | 17.58 | 18.15 |
1997 June | 19.33 | 16.31 | 17.74 | 16.24 | 19.57 | 16.93 | 19.54 | 15.7 | 16.85 | 17.01 | 17.24 |
1997 July | 18.59 | 16.61 | 18.57 | 16.5 | 20.02 | 17.02 | 18.59 | 15.99 | 16.82 | 17.12 | 17.4 |
1997 August | 19.14 | 17.16 | 18.98 | 16.84 | 20.01 | 18.33 | 19.33 | 16.23 | 18.05 | 17.8 | 17.76 |
1997 September | 19.5 | 16.97 | 19.36 | 16.69 | 20.35 | 18.02 | 19.56 | 16.14 | 17.86 | 17.86 | 17.84 |
1997 October | 20.83 | 18.33 | 20.45 | 18.11 | 21.14 | 17.1 | 18.85 | 16.76 | 17.35 | 17.79 | 19.19 |
1997 November | 19.64 | 16.78 | 19.28 | 16.84 | 20.55 | 15.43 | 19.93 | 15.41 | 15.75 | 16.63 | 17.99 |
1997 December | 18.24 | 15.13 | 18.12 | 14.45 | 19.03 | 14.79 | 18.61 | 13.42 | 15.06 | 15.01 | 16.3 |
1997 Average | 20.24 | 17.63 | 19.71 | 17.3 | 20.64 | 17.52 | 20.64 | 16.35 | 17.44 | 17.73 | 18.45 |
1998 January | 16.15 | 13.25 | 16.39 | 12.67 | 16.98 | 13.41 | Withheld | 12.26 | 13.48 | 13.89 | 14.3 |
1998 February | 14.57 | 12.18 | 15.37 | 12.11 | 15.3 | 13.05 | 15.63 | 11.17 | 13.01 | 12.93 | 13.24 |
1998 March | 14.06 | 11.58 | 13.84 | 10.37 | 14.71 | 12.31 | 14.82 | 10.66 | 12.4 | 12.45 | 12.36 |
1998 April | 14.16 | 11.58 | 14.07 | 11.37 | 14.67 | 11.45 | 15.19 | 11.23 | 11.63 | 12.04 | 12.58 |
1998 May | 15.16 | 11.47 | 13.53 | 11.48 | 14.91 | 10.83 | 14.52 | 10.64 | 10.85 | 11.75 | 12.73 |
1998 June | 12.98 | 10.73 | 12.45 | 10.52 | 13.31 | 10.66 | 12.58 | 9.93 | 10.64 | 11.07 | 11.41 |
1998 July | 12.44 | 11.28 | 12.73 | 10.95 | 12.88 | 11.02 | Withheld | 9.78 | 10.94 | 11.06 | 11.74 |
1998 August | 12.65 | 11.16 | 12.84 | 10.34 | 13.2 | 11.29 | 12.89 | 9.33 | 11.22 | 11.06 | 11.61 |
1998 September | 13.59 | 12.75 | 13.79 | 11.6 | 14.6 | 11.71 | 13.43 | 11.12 | 11.76 | 12.07 | 12.83 |
1998 October | 12.87 | 12.53 | 13.81 | 11.58 | 13.97 | 10.64 | 13.14 | 10.32 | 11.19 | 11.34 | 12.63 |
1998 November | 11.88 | 10.97 | 11.81 | 10.22 | 12.03 | 9.81 | 12.96 | 7.83 | 10.04 | 9.73 | 11.2 |
1998 December | 10.48 | 9.9 | 10.05 | 8.31 | 11.21 | 8.94 | 10.89 | 7.63 | 9 | 8.87 | 9.77 |
1998 Average | 13.37 | 11.62 | 13.26 | 11.04 | 14.14 | 11.16 | 13.55 | 10.16 | 11.18 | 11.46 | 12.22 |
1999 January | 11.77 | 10.66 | 11.49 | 9.27 | 11.32 | 10.17 | 11.34 | 7.93 | 10.08 | 9.75 | 10.66 |
1999 February | 11.33 | 10.97 | 11.15 | 8.86 | 11.21 | 11.98 | 11.47 | 8.16 | 11.53 | 10.72 | 10.46 |
1999 March | 13.42 | 12.81 | 13.83 | 11.2 | 13.98 | 14.17 | 11.76 | 11.57 | 13.77 | 13.22 | 12.53 |
1999 April | 16.06 | 15.2 | 16.62 | 14.26 | 15.72 | 15.33 | 15.17 | 13.79 | 15.16 | 14.89 | 15.23 |
1999 May | 16.25 | 15.84 | 16.3 | 14.45 | 16.27 | 16.32 | 16.18 | 13.62 | 15.98 | 15.4 | 15.61 |
1999 June | 16.66 | 15.68 | 16.67 | 14.71 | 16.8 | 17.38 | 16.67 | 14.9 | 16.98 | 16.32 | 15.87 |
1999 July | 20.01 | 17.8 | 18.78 | 17.32 | 19.16 | 18.9 | 18 | 16.96 | 18.33 | 18.09 | 18.17 |
1999 August | 21.26 | 19.22 | 20.43 | 19.1 | 20.84 | 19.82 | 20.12 | 18.55 | 19.84 | 19.69 | 19.8 |
1999 September | 22.82 | 21.63 | 23.1 | 21.05 | 23.01 | 21.4 | 22.81 | 20.45 | 21.19 | 21.28 | 22.11 |
1999 October | 22.52 | 21.91 | 22.84 | 20.42 | 23.3 | 22.44 | 22.06 | 19.95 | 21.99 | 21.67 | 21.88 |
1999 November | 25.71 | 22.06 | 24.95 | 22.28 | 25.02 | 22.99 | 23.64 | 21.09 | 22.99 | 22.76 | 23.29 |
1999 December | 25.53 | 23.32 | 26.08 | 22.78 | 26.92 | 24.2 | 25.89 | 21.95 | 24 | 23.65 | 23.99 |
1999 Average | 18.37 | 17.54 | 18.09 | 16.12 | 17.63 | 17.48 | 18.26 | 15.58 | 17.37 | 16.94 | 17.51 |
2000 January | 27.21 | 24.66 | 27.39 | 23.77 | 26.99 | 26.79 | 25.86 | 24.31 | 26.47 | 25.86 | 25.37 |
2000 February | 28.77 | 26.14 | 29.74 | 26.52 | 29.05 | 25.42 | 27.48 | 25.9 | 25.94 | 26.61 | 27.45 |
2000 March | 29.14 | 27.27 | 29.67 | 26.29 | 29.04 | 24.95 | 28.99 | 25.55 | 25.37 | 26.23 | 27.76 |
2000 April | 24.5 | 24.86 | 26.34 | 22.53 | 25.78 | 25.77 | 25.6 | 23.72 | 25.2 | 24.97 | 24.46 |
2000 May | 29.49 | 25.25 | 27.4 | 25.66 | 27.93 | 26.66 | 26.79 | 26.19 | 26.64 | 26.84 | 26.6 |
2000 June | 30.79 | 28.01 | 30.6 | 27.61 | 31.06 | 26.71 | 30.61 | 27.8 | 26.9 | 28.06 | 29.07 |
2000 July | 30.74 | 27.98 | 29.4 | 25.75 | 31.14 | 27.81 | 30.57 | 25.21 | 27.68 | 27.96 | 28.69 |
2000 August | 32.41 | 28.09 | 30.34 | 27.25 | 31.59 | 28.37 | 29.27 | 28.16 | 28.17 | 29 | 29.06 |
2000 September | 32.46 | 29.94 | 33.84 | 28.94 | 32.63 | 30.03 | 31.95 | 28.33 | 29.77 | 30.13 | 30.9 |
2000 October | 31.87 | 28.32 | 33.68 | 28.1 | 33.1 | 27.47 | 31.06 | 28.54 | 27.97 | 29.06 | 30.08 |
2000 November | 32.8 | 26.91 | 33.36 | 27.76 | 34.02 | 25.69 | 32.93 | 26.34 | 26.61 | 27.86 | 29.74 |
2000 December | 27.05 | 23.47 | 28.12 | 21.91 | 27.77 | 24.52 | 28.86 | 23.13 | 24.64 | 24.82 | 24.72 |
2000 Average | 29.57 | 26.69 | 29.68 | 26.03 | 30.04 | 26.58 | 29.26 | 26.05 | 26.77 | 27.29 | 27.8 |
2001 January | 26.56 | 21.98 | 28.27 | 21.51 | 28.37 | 23.58 | 28.29 | 22.89 | 23.51 | 24.08 | 24.01 |
2001 February | 27.48 | 22.48 | 28.71 | 21.61 | 28.75 | 23 | 29.12 | 22.15 | 22.96 | 23.9 | 24.61 |
2001 March | 24.87 | 21.57 | 26.21 | 19.52 | 27.4 | 22.62 | 26.29 | 21.13 | 22.49 | 23.21 | 22.46 |
2001 April | 26.63 | 21.35 | 26.71 | 19.57 | 27.01 | 22.58 | 25.95 | 22.54 | 22.23 | 23.26 | 22.79 |
2001 May | 28.58 | 22.63 | 27.83 | 21.22 | 29.33 | 22.63 | 28.27 | 21.91 | 22.47 | 23.67 | 24.73 |
2001 June | 28.4 | 22.53 | 28.86 | 21.34 | 29.31 | 22.65 | 26.91 | 20.41 | 22.25 | 23.26 | 24.4 |
2001 July | 25.59 | 22.6 | 27.45 | 19.79 | 26.68 | 22.54 | 26.02 | 20.27 | 22.28 | 22.43 | 23.51 |
2001 August | 25.54 | 23.95 | 26.31 | 21.14 | 27.01 | 21.78 | 25.91 | 21.21 | 22.06 | 22.7 | 23.93 |
2001 September | 25.66 | 22.55 | 24.86 | 21.4 | 26.45 | 19.21 | 24.83 | 19.4 | 19.91 | 21.06 | 23.55 |
2001 October | 21.21 | 18.48 | 21.77 | 17.19 | 22.34 | 16.31 | 21.27 | 16.26 | 16.99 | 17.58 | 19.28 |
2001 November | 18.91 | 14.84 | 20.22 | 14.82 | 20.41 | 16.44 | Withheld | 13.62 | 16.17 | 16.12 | 16.37 |
2001 December | 18.49 | 14.65 | 18.92 | 14.64 | 19.98 | 16.32 | Withheld | 14.4 | 15.87 | 16.02 | 16.09 |
2001 Average | 25.13 | 20.72 | 25.88 | 19.37 | 26.55 | 20.98 | 25.32 | 19.81 | 20.73 | 21.52 | 22.17 |
2002 January | 20.03 | 15.64 | 19.86 | 14.87 | 20.41 | 19.02 | Withheld | 15.07 | 18.02 | 17.57 | 16.95 |
2002 February | 19.7 | 18 | 20.33 | 16.29 | 21.57 | 21.99 | 20.83 | 16.49 | 20.67 | 19.68 | 18.58 |
2002 March | 22.99 | 20.05 | 24.54 | 20.38 | 24.33 | 24.01 | 23.72 | 20.82 | 23.31 | 22.79 | 21.72 |
2002 April | 25.24 | 23.37 | 26.22 | 22.9 | 26.47 | 24.18 | 25.35 | 22.02 | 24.06 | 24.03 | 24.26 |
2002 May | 25.52 | 23.97 | 25.85 | 23.45 | 26.56 | 24.48 | 25.93 | 21.92 | 24.33 | 24.11 | 24.78 |
2002 June | 24.48 | 23.15 | 24.99 | 22.61 | 25.55 | 24.61 | 25.12 | 22.3 | 24.48 | 23.98 | 23.93 |
2002 July | 26.06 | 24.38 | 25.99 | 23.09 | 26.89 | 25.97 | 26.36 | 23.34 | 25.77 | 25.06 | 24.98 |
2002 August | 26.99 | 25.63 | 27 | 24.21 | 27.75 | 26.67 | 27 | 24.43 | 26.51 | 25.94 | 25.92 |
2002 September | 28.93 | 26 | 29.77 | 25.76 | 29.44 | 25.93 | 28.2 | 25.45 | 25.97 | 26.37 | 27.16 |
2002 October | 27.75 | 25.16 | 28.07 | 24.14 | 28.59 | 25.02 | 28.9 | 23.06 | 24.92 | 24.73 | 26.3 |
2002 November | 25.06 | 23.24 | 25.28 | 21.24 | 26.53 | 26.37 | 26.96 | 22.02 | 25.86 | 24.53 | 23.92 |
2002 December | 30.65 | 24.53 | 28.42 | 24.63 | 30.58 | 28.2 | 29.38 | 25.09 | 27.91 | 28.07 | 26.32 |
2002 Average | 25.43 | 22.98 | 25.28 | 22.09 | 26.45 | 24.77 | 26.35 | 21.93 | 24.13 | 23.83 | 23.97 |
2003 January | 33.28 | 27.91 | 34.11 | 28.71 | 33.4 | 30.55 | 32.89 | 29.38 | 30.22 | 30.79 | 29.99 |
2003 February | 36.01 | 30.1 | 36.79 | 29.28 | 35.65 | 29.25 | 34.74 | 30.8 | 29.85 | 30.73 | 31.94 |
2003 March | 32 | 29.93 | 32.73 | 26.18 | 34.29 | 26.23 | 31.32 | 26.51 | 27.01 | 28.24 | 29.52 |
2003 April | 27.77 | 26.06 | 26.15 | 22.24 | 29.54 | 24.46 | 28.23 | 23.33 | 24.26 | 24.86 | 25.62 |
2003 May | 27.39 | 24.98 | 26.85 | 23.12 | 28.33 | 25.4 | 26.75 | 23.42 | 25.15 | 25.3 | 25.5 |
2003 June | 28.52 | 26.91 | 29.35 | 25.09 | 29.49 | 28.22 | 29.58 | 25.06 | 28.11 | 27.38 | 27.33 |
2003 July | 29.6 | 26.88 | 30.17 | 26.05 | 30.4 | 27.54 | 29.83 | 26.11 | 27.5 | 27.58 | 27.84 |
2003 August | 30.04 | 27.48 | 30.24 | 26.37 | 31.1 | 27.08 | 30.52 | 26.23 | 26.93 | 27.7 | 28.27 |
2003 September | 27.91 | 25.17 | 28.13 | 23.76 | 29.12 | 25.81 | 28.95 | 24.09 | 25.88 | 25.99 | 25.84 |
2003 October | 31.07 | 25.57 | 29.88 | 24.37 | 30.38 | 28.23 | 31.14 | 25.48 | 28.01 | 27.76 | 26.97 |
2003 November | 30.57 | 25.06 | 30.38 | 25.54 | 31.45 | 29.13 | 31.6 | 25.85 | 28.61 | 28.36 | 26.95 |
2003 December | 31.6 | 26.16 | 32.63 | 26.27 | 32.51 | 30.56 | 31.46 | 27.7 | 30.17 | 29.84 | 27.79 |
2003 Average | 30.14 | 26.76 | 30.55 | 25.48 | 31.07 | 27.5 | 30.62 | 25.7 | 27.54 | 27.7 | 27.68 |
2004 January | 34.03 | 29.37 | 34.85 | 27.98 | 33.67 | 31.86 | 32.89 | 28.79 | 31.51 | 31.23 | 30.36 |
2004 February | 34.44 | 30.21 | 35.99 | 27.1 | 35.09 | 31.98 | 33.3 | 28.98 | 31.7 | 31.86 | 30.35 |
2004 March | 35 | 30.95 | 35.34 | 28.92 | 36.06 | 33.11 | 36.41 | 30 | 32.89 | 32.92 | 31.61 |
2004 April | 35.29 | 31.2 | 35.3 | 29.82 | 36.68 | 33.36 | 35.11 | 32.39 | 33.2 | 33.69 | 31.97 |
2004 May | 37.9 | 32.7 | 37.78 | 32.88 | 39.33 | 34.89 | 38.14 | 34.16 | 34.68 | 35.7 | 34.47 |
2004 June | 38.44 | 33.05 | 36.19 | 30.89 | 38.05 | 36.14 | 36.5 | 32.29 | 35.43 | 35.21 | 33.57 |
2004 July | 40.03 | 35 | 38.49 | 32.84 | 41 | 38.68 | 40.93 | 33.78 | 38.32 | 37.85 | 35.71 |
2004 August | 44.92 | 38.28 | 42.3 | 34.66 | 44.74 | 42.2 | 42.51 | 36.03 | 41.14 | 40.65 | 38.39 |
2004 September | 43.84 | 39.07 | 43.03 | 35.63 | 46.53 | 42.52 | 43.49 | 40.28 | 42.3 | 42.83 | 39.36 |
2004 October | 48.47 | 42.93 | 47.35 | 41.09 | 51.85 | 42.87 | 49.65 | 41.92 | 42.15 | 44.21 | 44.02 |
2004 November | 44.16 | 39.46 | 42.52 | 33.78 | 47.64 | 39.12 | 47.41 | 34.76 | 37.95 | 39.15 | 38.97 |
2004 December | 40.48 | 31.86 | 39.39 | 30.31 | 43.88 | 37.46 | 39.8 | 33 | 36.65 | 37.18 | 33.67 |
2004 Average | 39.62 | 34.51 | 39.03 | 32.25 | 40.95 | 37.11 | 39.28 | 33.79 | 36.53 | 36.84 | 35.29 |
2005 January | 42.58 | 34.33 | 44.23 | 32.37 | 46.53 | 40.6 | 45.67 | 36.62 | 39.38 | 40.48 | 36.49 |
2005 February | 44.39 | 36.07 | Withheld | 33.52 | 49.97 | 43.46 | 44.5 | 39.05 | 42.92 | 43.31 | 38.13 |
2005 March | 50.99 | 41.28 | 48.78 | 39.72 | 55.46 | 46.33 | 53.49 | 44.6 | 45.86 | 47.58 | 44.3 |
2005 April | 50.45 | 40.37 | 49.93 | 40.72 | 53.61 | 47.27 | 51.4 | 43.95 | 46.01 | 47.19 | 43.62 |
2005 May | 48.49 | 39.29 | 47.78 | 40.78 | 51.32 | 46.78 | 49.98 | 43.7 | 46.18 | 46.61 | 42.46 |
2005 June | 53.09 | 43.1 | 53.39 | 45.2 | 57.67 | 53.14 | 53.16 | 48.44 | 52.45 | 52.96 | 47.05 |
2005 July | 57.18 | 50.71 | 55.11 | 46.95 | 60.86 | 57.51 | 59.58 | 50.88 | 56.5 | 55.93 | 51.83 |
2005 August | 63.78 | 54.43 | 59.03 | 50.95 | 67.35 | 59.61 | 62.41 | 58.3 | 59.2 | 61.1 | 55.96 |
2005 September | 61.88 | 53.33 | 62.64 | 52.4 | 65.2 | 56.22 | 64.26 | 62.33 | 56.29 | 60.84 | 56.01 |
2005 October | 56.99 | 51.29 | 58.27 | 49.21 | 62.35 | 54.06 | 61.78 | 52.79 | 52.83 | 55.75 | 53.15 |
2005 November | 54.16 | 48.79 | 52.2 | 43.62 | 59.34 | 52.28 | 58.63 | 49.01 | 51.25 | 53 | 49.06 |
2005 December | 57.69 | 45.46 | 54.8 | 45.95 | 62.07 | 53.84 | Withheld | 50.57 | 53.12 | 54.76 | 49.22 |
2005 Average | 54.31 | 44.73 | 53.42 | 43.47 | 57.55 | 50.31 | 55.28 | 47.87 | 49.68 | 51.36 | 47.31 |
2006 January | 61.35 | 47.43 | 61.95 | 51.3 | 65.91 | 56.23 | 67.33 | 53.93 | 55.7 | 58.1 | 53.18 |
2006 February | 61.48 | 44.72 | 55.99 | 49.48 | 63.03 | 56.26 | 63.01 | 52.97 | 55.16 | 56.72 | 50.14 |
2006 March | 62.44 | 46.59 | 55.89 | 51.05 | 67.04 | 58.89 | 65.21 | 57.7 | 57.98 | 60.38 | 52.74 |
2006 April | 70.68 | 56.61 | 64.06 | 58.02 | 73.72 | 62.92 | 71.35 | 63.81 | 62.49 | 65.76 | 60.99 |
2006 May | 68.62 | 63.47 | 68.8 | 56.37 | 72.93 | 65.1 | 71.29 | 62.63 | 64.26 | 66.09 | 63.14 |
2006 June | 68.64 | 61.14 | 66.06 | 55.91 | 72.7 | 66.49 | 71.12 | 62.65 | 65.81 | 67.16 | 62.03 |
2006 July | 72.89 | 64.69 | 70.94 | 61.26 | 77.43 | 65.5 | 74.59 | 66.19 | 65.62 | 69.21 | 66.52 |
2006 August | 71.47 | 63.77 | 66.67 | 60.78 | 74.94 | 62.11 | Withheld | 62.15 | 62.11 | 65.49 | 64.81 |
2006 September | 60.38 | 55.22 | 57.25 | 52.78 | 65.21 | 56.29 | Withheld | 53.94 | 55.8 | 57.86 | 56.59 |
2006 October | 57.25 | 47.83 | 55.5 | 48.33 | 60.9 | 54 | 59.7 | 50.74 | 53.48 | 54.98 | 50.89 |
2006 November | 59.49 | 47.83 | 56.06 | 48.91 | 62.88 | 52.57 | 58.67 | 50.75 | 52.43 | 54.77 | 51.44 |
2006 December | 60.46 | 50.91 | 56.91 | 50.93 | 63.94 | 54.05 | 58.69 | 50.95 | 53.95 | 56.21 | 52.92 |
2006 Average | 64.85 | 53.9 | 62.13 | 53.76 | 68.26 | 59.19 | 67.44 | 57.37 | 58.92 | 61.21 | 57.14 |
2007 January | 53.12 | 46.86 | 52.22 | 44.32 | 58.55 | 51.21 | 56.59 | 47.2 | 50.65 | 52.81 | 47.56 |
2007 February | 57.78 | 50.25 | 59.08 | 48.45 | 61.16 | 54.94 | 59.3 | 51.97 | 54.18 | 56.06 | 51.69 |
2007 March | 61.91 | 52.58 | 59.37 | 51.07 | 66.47 | 58.22 | 65.96 | 54.34 | 57.49 | 59.6 | 54.71 |
2007 April | 67.78 | 54.6 | 61.77 | 55.16 | 71.15 | 61.53 | 65.92 | 58.67 | 60.98 | 63.73 | 57.43 |
2007 May | 67.51 | 56.46 | 63.7 | 56.4 | 72.99 | 66.15 | Withheld | 60.17 | 65.02 | 66.38 | 58.91 |
2007 June | 72.4 | 57.54 | 67.87 | 60.68 | 77.15 | 69.53 | Withheld | 63.24 | 68.18 | 69.58 | 61.65 |
2007 July | 76.73 | 62.66 | 73.15 | 65.46 | 80.84 | 72.37 | 77.73 | 67.95 | 71.29 | 73.63 | 66.95 |
2007 August | 70.28 | 64.1 | 72.72 | 62.52 | 76.67 | 74.11 | Withheld | 65.64 | 72.79 | 71.73 | 65.76 |
2007 September | 77.76 | 66.76 | 77.32 | 66.55 | 81.96 | 80.6 | 79.48 | 70.64 | 78.56 | 77.37 | 69.42 |
2007 October | 81.92 | 67.36 | 79.74 | 72.68 | 90.13 | 84.73 | 81.77 | 76.74 | 84.29 | 83.58 | 73.62 |
2007 November | 92.56 | 76.6 | 80.74 | 79.7 | 95.54 | 86.92 | Withheld | 85.23 | 86.17 | 88.53 | 80.39 |
2007 December | 90.96 | 69.62 | 94.68 | 81.53 | 97.88 | 83.72 | 94.58 | 82.55 | 84 | 88.3 | 79.02 |
2007 Average | 71.27 | 60.38 | 70.91 | 62.31 | 78.01 | 70.78 | 72.47 | 66.13 | 69.83 | 71.14 | 63.96 |
2008 January | 93.21 | 77.83 | 85.22 | 81.28 | 96.81 | 92.42 | Withheld | 83.23 | 89.7 | 89.61 | 82.1 |
2008 February | 97.58 | 81.37 | 85.2 | 81.33 | 101.23 | 97.64 | Withheld | 86.22 | 96.02 | 94.64 | 85.13 |
2008 March | 106.19 | 93.33 | 102.88 | 88.54 | 109.73 | 108.26 | Withheld | 93.59 | 105.39 | 103.94 | 94.65 |
2008 April | 117.34 | 103.08 | 105.95 | 95.31 | 118.07 | 118.5 | Withheld | 100.57 | 115.52 | 112.31 | 103.2 |
2008 May | 127.06 | 111.83 | 118.42 | 104.42 | 130.93 | 127.77 | 128.95 | 111.77 | 125.36 | 123.28 | 114.83 |
2008 June | 133.08 | 119.8 | 127.35 | 117.29 | 142.39 | 125.91 | Withheld | 122.65 | 125.61 | 128.45 | 122.78 |
2008 July | 129.91 | 122.83 | 126.22 | 124.28 | 137.22 | 116.22 | Withheld | 124.91 | 116.43 | 124.27 | 124.33 |
2008 August | 110 | 110.63 | 113.17 | 109.61 | 123.02 | 104.42 | 104.13 | 111.78 | 103.92 | 109.56 | 109.74 |
2008 September | 94.05 | 96.38 | 97.72 | 93.58 | 98.82 | 85.98 | 87.46 | 95.67 | 85.85 | 92.87 | 94.56 |
2008 October | 72.42 | 70.56 | 63.03 | 66.53 | 78.49 | 71.06 | 69.91 | 64.64 | 68.61 | 69.55 | 68.51 |