Monthly Energy Review

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 5.1. Crude Oil and Natural Gas Drilling Activity Measurements

Year	Crude Oil and Natural Gas Rotary Rigs in Operation, Onshore (Number of Rigs)	Crude Oil and Natural Gas Rotary Rigs in Operation, Offshore (Number of Rigs)	Crude Oil Rotary Rigs in Operation (Number of Rigs)	Natural Gas Rotary Rigs in Operation (Number of Rigs)	Crude Oil and Natural Gas Rotary Rigs in Operation, Total (Number of Rigs)	Active Well Service Rig Count (Number of Rigs)
1973 January	1120	99	Not Available	Not Available	1219	1549
1973 February	1037	89	Not Available	Not Available	1126	1677
1973 March	959	90	Not Available	Not Available	1049	1805
1973 April	914	79	Not Available	Not Available	993	1898
1973 May	974	72	Not Available	Not Available	1046	1991
1973 June	1042	76	Not Available	Not Available	1118	1994
1973 July	1075	81	Not Available	Not Available	1156	1997
1973 August	1140	82	Not Available	Not Available	1222	2112
1973 September	1183	83	Not Available	Not Available	1266	2227
1973 October	1250	84	Not Available	Not Available	1334	2247
1973 November	1304	86	Not Available	Not Available	1390	2266
1973 December	1318	87	Not Available	Not Available	1405	2334
1973 Average	1110	84	Not Available	Not Available	1194	2008
1974 January	1283	89	Not Available	Not Available	1372	2401
1974 February	1264	91	Not Available	Not Available	1355	2436
1974 March	1272	95	Not Available	Not Available	1367	2470
1974 April	1280	101	Not Available	Not Available	1381	2513
1974 May	1319	94	Not Available	Not Available	1413	2555
1974 June	1342	90	Not Available	Not Available	1432	2525
1974 July	1387	93	Not Available	Not Available	1480	2494
1974 August	1426	92	Not Available	Not Available	1518	2483
1974 September	1437	90	Not Available	Not Available	1527	2473
1974 October	1493	91	Not Available	Not Available	1584	2488
1974 November	1497	99	Not Available	Not Available	1596	2503
1974 December	1540	103	Not Available	Not Available	1643	2543
1974 Average	1378	94	Not Available	Not Available	1472	2490
1975 January	1521	94	Not Available	Not Available	1615	2582
1975 February	1518	93	Not Available	Not Available	1611	2549
1975 March	1549	102	Not Available	Not Available	1651	2568
1975 April	1503	102	Not Available	Not Available	1605	2549
1975 May	1490	102	Not Available	Not Available	1592	2374
1975 June	1507	106	Not Available	Not Available	1613	2426
1975 July	1508	109	Not Available	Not Available	1617	2344
1975 August	1533	112	Not Available	Not Available	1645	2369
1975 September	1586	113	Not Available	Not Available	1699	2459
1975 October	1604	112	Not Available	Not Available	1716	2434
1975 November	1644	113	Not Available	Not Available	1757	2505
1975 December	1677	116	Not Available	Not Available	1793	2675
1975 Average	1554	106	Not Available	Not Available	1660	2486
1976 January	1588	123	Not Available	Not Available	1711	2612
1976 February	1468	126	Not Available	Not Available	1594	2490
1976 March	1408	132	Not Available	Not Available	1540	2521
1976 April	1356	124	Not Available	Not Available	1480	2597
1976 May	1375	121	Not Available	Not Available	1496	2575
1976 June	1426	120	Not Available	Not Available	1546	2607
1976 July	1465	132	Not Available	Not Available	1597	2606
1976 August	1563	128	Not Available	Not Available	1691	2656
1976 September	1618	126	Not Available	Not Available	1744	2652
1976 October	1666	128	Not Available	Not Available	1794	2639
1976 November	1703	137	Not Available	Not Available	1840	2601
1976 December	1716	145	Not Available	Not Available	1861	2660
1976 Average	1529	129	Not Available	Not Available	1658	2601
1977 January	1704	146	Not Available	Not Available	1850	2474
1977 February	1690	166	Not Available	Not Available	1856	2628
1977 March	1724	163	Not Available	Not Available	1887	2695
1977 April	1745	162	Not Available	Not Available	1907	2804
1977 May	1813	169	Not Available	Not Available	1982	2760
1977 June	1839	169	Not Available	Not Available	2008	2895
1977 July	1851	172	Not Available	Not Available	2023	2929
1977 August	1888	178	Not Available	Not Available	2066	2942
1977 September	1906	178	Not Available	Not Available	2084	2964
1977 October	1932	169	Not Available	Not Available	2101	2973
1977 November	1945	168	Not Available	Not Available	2113	2968
1977 December	1973	168	Not Available	Not Available	2141	2898
1977 Average	1834	167	Not Available	Not Available	2001	2828
1978 January	1956	172	Not Available	Not Available	2128	2810
1978 February	1954	181	Not Available	Not Available	2135	2906
1978 March	1979	180	Not Available	Not Available	2159	2899
1978 April	2016	182	Not Available	Not Available	2198	2997
1978 May	2066	183	Not Available	Not Available	2249	2996
1978 June	2103	184	Not Available	Not Available	2287	2987
1978 July	2122	185	Not Available	Not Available	2307	3006
1978 August	2127	198	Not Available	Not Available	2325	3089
1978 September	2138	194	Not Available	Not Available	2332	3073
1978 October	2156	190	Not Available	Not Available	2346	3078
1978 November	2169	187	Not Available	Not Available	2356	2958
1978 December	2098	188	Not Available	Not Available	2286	3063
1978 Average	2074	185	Not Available	Not Available	2259	2989
1979 January	1992	207	Not Available	Not Available	2199	3094
1979 February	1858	206	Not Available	Not Available	2064	2698
1979 March	1768	203	Not Available	Not Available	1971	2765
1979 April	1736	207	Not Available	Not Available	1943	3034
1979 May	1762	198	Not Available	Not Available	1960	3369
1979 June	1794	205	Not Available	Not Available	1999	3506
1979 July	1889	205	Not Available	Not Available	2094	3572
1979 August	2014	208	Not Available	Not Available	2222	3621
1979 September	2069	215	Not Available	Not Available	2284	3673
1979 October	2169	211	Not Available	Not Available	2380	3954
1979 November	2255	205	Not Available	Not Available	2460	3795
1979 December	2336	216	Not Available	Not Available	2552	3709
1979 Average	1970	207	Not Available	Not Available	2177	3399
1980 January	2352	219	Not Available	Not Available	2571	3855
1980 February	2397	216	Not Available	Not Available	2613	3923
1980 March	2439	219	Not Available	Not Available	2658	4010
1980 April	2461	222	Not Available	Not Available	2683	3871
1980 May	2568	229	Not Available	Not Available	2797	4032
1980 June	2615	235	Not Available	Not Available	2850	4112
1980 July	2718	235	Not Available	Not Available	2953	4092
1980 August	2810	235	Not Available	Not Available	3045	4155
1980 September	2868	231	Not Available	Not Available	3099	4277
1980 October	2917	232	Not Available	Not Available	3149	4290
1980 November	2973	247	Not Available	Not Available	3220	4281
1980 December	3036	250	Not Available	Not Available	3286	4172
1980 Average	2678	231	Not Available	Not Available	2909	4089
1981 January	3141	245	Not Available	Not Available	3386	4209
1981 February	3268	234	Not Available	Not Available	3502	4359
1981 March	3343	252	Not Available	Not Available	3595	4238
1981 April	3472	256	Not Available	Not Available	3728	4430
1981 May	3568	249	Not Available	Not Available	3817	4749
1981 June	3680	246	Not Available	Not Available	3926	5093
1981 July	3736	262	Not Available	Not Available	3998	5172
1981 August	3867	264	Not Available	Not Available	4131	5196
1981 September	3976	266	Not Available	Not Available	4242	5150
1981 October	4088	264	Not Available	Not Available	4352	5142
1981 November	4166	270	Not Available	Not Available	4436	5165
1981 December	4238	283	Not Available	Not Available	4521	5279
1981 Average	3714	256	Not Available	Not Available	3970	4849
1982 January	4156	280	Not Available	Not Available	4436	5367
1982 February	3891	269	Not Available	Not Available	4160	5220
1982 March	3554	262	Not Available	Not Available	3816	4808
1982 April	3209	251	Not Available	Not Available	3460	4334
1982 May	2927	251	Not Available	Not Available	3178	4328
1982 June	2660	248	Not Available	Not Available	2908	4041
1982 July	2504	242	Not Available	Not Available	2746	3845
1982 August	2385	235	Not Available	Not Available	2620	3761
1982 September	2255	228	Not Available	Not Available	2483	3726
1982 October	2173	229	Not Available	Not Available	2402	3762
1982 November	2286	214	Not Available	Not Available	2500	3933
1982 December	2482	214	Not Available	Not Available	2696	3865
1982 Average	2862	243	Not Available	Not Available	3105	4249
1983 January	2404	218	Not Available	Not Available	2622	3786
1983 February	1976	216	Not Available	Not Available	2192	3629
1983 March	1793	210	Not Available	Not Available	2003	3537
1983 April	1633	213	Not Available	Not Available	1846	3413
1983 May	1717	209	Not Available	Not Available	1926	3340
1983 June	1777	202	Not Available	Not Available	1979	3323
1983 July	1861	178	Not Available	Not Available	2039	3431
1983 August	1975	181	Not Available	Not Available	2156	3868
1983 September	2077	175	Not Available	Not Available	2252	3927
1983 October	2205	177	Not Available	Not Available	2382	4025
1983 November	2413	159	Not Available	Not Available	2572	4262
1983 December	2570	210	Not Available	Not Available	2780	4255
1983 Average	2033	199	Not Available	Not Available	2232	3733
1984 January	2450	216	Not Available	Not Available	2666	4240
1984 February	2221	202	Not Available	Not Available	2423	4337
1984 March	2047	198	Not Available	Not Available	2245	3989
1984 April	1917	203	Not Available	Not Available	2120	3859
1984 May	2075	202	Not Available	Not Available	2277	4224
1984 June	2158	205	Not Available	Not Available	2363	4864
1984 July	2180	206	Not Available	Not Available	2386	5100
1984 August	2201	216	Not Available	Not Available	2417	5061
1984 September	2206	214	Not Available	Not Available	2420	5157
1984 October	2269	223	Not Available	Not Available	2492	5053
1984 November	2397	232	Not Available	Not Available	2629	5075
1984 December	2471	242	Not Available	Not Available	2713	4953
1984 Average	2215	213	Not Available	Not Available	2428	4659
1985 January	2210	242	Not Available	Not Available	2452	4919
1985 February	1955	233	Not Available	Not Available	2188	4856
1985 March	1732	223	Not Available	Not Available	1955	4626
1985 April	1667	210	Not Available	Not Available	1877	4538
1985 May	1665	200	Not Available	Not Available	1865	4655
1985 June	1653	203	Not Available	Not Available	1856	4673
1985 July	1715	194	Not Available	Not Available	1909	4616
1985 August	1734	197	Not Available	Not Available	1931	4845
1985 September	1733	197	Not Available	Not Available	1930	4807
1985 October	1684	195	Not Available	Not Available	1879	4729
1985 November	1725	187	Not Available	Not Available	1912	4745
1985 December	1760	190	Not Available	Not Available	1950	4582
1985 Average	1774	206	Not Available	Not Available	1980	4716
1986 January	1635	175	Not Available	Not Available	1810	4649
1986 February	1280	164	Not Available	Not Available	1444	4498
1986 March	1007	132	Not Available	Not Available	1139	3450
1986 April	794	112	Not Available	Not Available	906	2942
1986 May	687	94	Not Available	Not Available	781	2733
1986 June	632	73	Not Available	Not Available	705	2644
1986 July	621	65	Not Available	Not Available	686	2656
1986 August	665	65	Not Available	Not Available	730	2598
1986 September	681	74	Not Available	Not Available	755	2477
1986 October	739	80	Not Available	Not Available	819	2468
1986 November	820	79	Not Available	Not Available	899	2582
1986 December	874	89	Not Available	Not Available	963	2744
1986 Average	865	99	Not Available	Not Available	964	3037
1987 January	812	88	Not Available	Not Available	900	2759
1987 February	743	75	Not Available	Not Available	818	2669
1987 March	696	76	Not Available	Not Available	772	2558
1987 April	681	73	Not Available	Not Available	754	2762
1987 May	687	76	Not Available	Not Available	763	2597
1987 June	703	85	Not Available	Not Available	788	2745
1987 July	804	97	Not Available	Not Available	901	2833
1987 August	894	109	626	352	1003	3389
1987 September	987	114	713	364	1101	3439
1987 October	1008	116	727	377	1124	3610
1987 November	1034	118	746	386	1152	3687
1987 December	1034	128	746	403	1162	3664
1987 Average	841	95	Not Available	Not Available	936	3059
1988 January	949	127	663	391	1076	3375
1988 February	853	123	575	375	976	3485
1988 March	832	119	582	338	951	3416
1988 April	800	117	567	316	917	3230
1988 May	768	123	562	300	891	3450
1988 June	773	124	554	309	897	3541
1988 July	786	126	568	309	912	3425
1988 August	807	123	565	335	930	3542
1988 September	805	122	512	390	927	3344
1988 October	801	122	518	377	923	3137
1988 November	789	129	490	406	918	3090
1988 December	797	127	507	397	924	3036
1988 Average	813	123	554	354	936	3339
1989 January	731	110	455	364	841	3081
1989 February	667	95	392	347	762	2997
1989 March	660	93	407	325	753	3277
1989 April	679	92	427	322	771	3417
1989 May	662	92	431	311	754	3458
1989 June	692	103	423	357	795	3319
1989 July	718	114	432	386	832	3367
1989 August	772	114	437	438	886	3379
1989 September	848	107	460	484	955	3495
1989 October	878	106	493	482	984	3645
1989 November	922	119	532	498	1041	3690
1989 December	948	117	541	517	1065	3565
1989 Average	764	105	453	401	869	3391
1990 January	885	113	514	477	998	3537
1990 February	806	105	492	412	911	3486
1990 March	797	108	478	421	905	3611
1990 April	824	111	484	447	935	3411
1990 May	841	120	493	465	961	3403
1990 June	886	113	498	495	999	3522
1990 July	902	108	497	496	1010	3450
1990 August	879	108	506	466	987	3605
1990 September	935	107	566	460	1042	3905
1990 October	974	99	588	469	1073	3988
1990 November	1031	106	615	495	1137	3984
1990 December	1035	101	643	460	1136	3994
1990 Average	902	108	532	464	1010	3658
1991 January	977	91	633	413	1068	3579
1991 February	896	88	564	405	984	3512
1991 March	848	81	520	389	929	3444
1991 April	770	95	469	374	865	3416
1991 May	721	98	430	354	819	3394
1991 June	774	93	483	342	867	3363
1991 July	764	80	472	332	844	3369
1991 August	735	68	451	326	803	3257
1991 September	704	71	433	314	775	3208
1991 October	727	68	433	330	795	3138
1991 November	736	72	457	328	808	3110
1991 December	731	65	469	308	796	3183
1991 Average	779	81	482	351	860	3331
1992 January	654	56	400	294	710	2912
1992 February	618	51	378	277	669	2704
1992 March	594	54	381	250	648	2592
1992 April	587	55	370	251	642	2727
1992 May	591	47	358	260	638	2564
1992 June	577	44	343	260	621	2369
1992 July	628	48	349	310	676	2492
1992 August	635	51	334	331	686	2630
1992 September	672	45	345	356	717	2825
1992 October	750	53	392	399	803	3076
1992 November	822	60	418	451	882	2977
1992 December	867	59	397	509	926	3218
1992 Average	669	52	373	331	721	2757
1993 January	752	72	335	454	824	3218
1993 February	615	69	311	334	684	2899
1993 March	549	62	315	268	611	2829
1993 April	543	69	320	270	612	2703
1993 May	564	73	323	294	637	2848
1993 June	612	83	350	327	695	3087
1993 July	656	85	368	360	741	3178
1993 August	710	87	397	390	797	3423
1993 September	759	89	418	421	848	3341
1993 October	767	93	441	411	860	3519
1993 November	769	99	453	408	868	3604
1993 December	754	103	425	426	857	3662
1993 Average	672	82	373	364	754	3193
1994 January	690	99	356	425	789	3386
1994 February	659	95	337	405	754	3063
1994 March	636	99	323	403	735	2977
1994 April	617	106	314	398	723	2649
1994 May	612	104	320	382	716	2798
1994 June	643	113	331	408	756	2785
1994 July	664	107	341	415	771	2992
1994 August	671	95	320	433	766	2941
1994 September	712	97	325	471	809	3010
1994 October	723	99	342	467	822	2991
1994 November	729	106	361	460	835	2977
1994 December	709	107	354	447	816	2964
1994 Average	673	102	335	427	775	2961
1995 January	642	106	325	411	748	2855
1995 February	613	100	326	375	713	2877
1995 March	575	90	322	331	665	2862
1995 April	587	91	328	336	678	2806
1995 May	579	100	325	335	679	3020
1995 June	578	96	301	352	674	3107
1995 July	619	104	301	399	723	3133
1995 August	642	103	327	399	745	3103
1995 September	662	103	333	413	765	3225
1995 October	656	105	332	414	761	3105
1995 November	668	104	330	430	772	3157
1995 December	654	109	325	427	763	3239
1995 Average	622	101	323	385	723	3041
1996 January	598	111	295	406	709	3290
1996 February	598	102	283	411	700	3509
1996 March	618	96	286	421	714	3253
1996 April	628	113	286	446	741	3331
1996 May	648	116	288	467	764	3345
1996 June	662	112	298	471	774	3473
1996 July	677	107	290	488	784	3723
1996 August	703	108	297	488	811	3582
1996 September	702	109	301	505	811	3560
1996 October	728	108	328	499	836	3498
1996 November	741	107	363	482	848	3489
1996 December	736	116	361	489	852	3287
1996 Average	671	108	306	464	779	3445
1997 January	712	110	342	478	822	3237
1997 February	742	107	356	492	849	3364
1997 March	770	127	377	518	897	3189
1997 April	775	126	373	526	901	3398
1997 May	804	120	379	541	924	3483
1997 June	855	121	396	577	976	3575
1997 July	844	125	382	584	969	3766
1997 August	868	125	409	581	993	3705
1997 September	881	128	392	614	1009	3667
1997 October	875	121	390	602	996	3546
1997 November	857	126	354	625	983	3622
1997 December	884	129	361	648	1013	3433
1997 Average	821	122	376	564	943	3499
1998 January	860	133	380	609	993	3476
1998 February	835	139	380	589	974	3378
1998 March	796	136	327	601	932	3283
1998 April	748	138	291	591	886	3268
1998 May	722	133	272	580	855	3396
1998 June	726	128	267	585	854	3079
1998 July	695	121	264	549	816	3147
1998 August	674	118	226	565	792	2973
1998 September	656	118	215	559	774	2788
1998 October	623	111	214	519	734	2602
1998 November	579	109	190	499	688	2539
1998 December	545	102	155	491	647	2244
1998 Average	703	123	264	560	827	3014
1999 January	483	104	125	461	587	1932
1999 February	441	101	117	425	542	1904
1999 March	420	106	114	412	526	1994
1999 April	397	99	125	371	496	2054
1999 May	414	102	136	380	516	2096
1999 June	458	100	124	434	558	2133
1999 July	489	99	108	478	588	2391
1999 August	533	106	111	527	639	2388
1999 September	587	109	130	565	696	2445
1999 October	630	111	137	601	741	2472
1999 November	663	119	145	635	782	2472
1999 December	676	122	161	636	798	2500
1999 Average	519	106	128	496	625	2232
2000 January	650	125	143	632	775	2550
2000 February	641	122	147	616	763	2705
2000 March	649	124	173	600	773	2734
2000 April	680	125	196	609	805	2702
2000 May	705	139	199	645	844	2675
2000 June	739	139	201	677	878	2619
2000 July	784	158	208	733	942	2694
2000 August	828	159	206	779	987	2717
2000 September	865	146	199	810	1011	2722
2000 October	908	147	212	842	1055	2719
2000 November	916	151	234	832	1067	2732
2000 December	950	147	242	854	1097	2738
2000 Average	778	140	197	720	918	2692
2001 January	944	174	239	879	1118	2726
2001 February	973	163	237	898	1136	2755
2001 March	996	167	248	913	1163	2730
2001 April	1037	169	247	957	1206	2728
2001 May	1063	171	235	997	1234	2770
2001 June	1107	163	219	1050	1270	2760
2001 July	1121	157	219	1058	1278	1784
2001 August	1105	147	219	1032	1252	1865
2001 September	1049	144	220	972	1193	1832
2001 October	978	133	198	913	1111	1824
2001 November	866	134	174	825	1000	1774
2001 December	778	123	147	754	901	1654
2001 Average	1003	153	217	939	1156	2267
2002 January	741	126	141	725	867	1683
2002 February	702	123	144	679	825	1843
2002 March	649	114	144	617	763	1791
2002 April	645	105	136	612	750	1852
2002 May	721	105	134	690	826	1856
2002 June	732	110	138	704	842	1832
2002 July	740	111	133	716	851	1832
2002 August	737	111	125	721	848	1891
2002 September	746	114	122	736	860	1861
2002 October	740	111	140	709	851	1878
2002 November	725	109	146	683	834	1817
2002 December	742	114	137	714	856	1821
2002 Average	717	113	137	691	830	1830
2003 January	743	111	132	718	854	1898
2003 February	797	110	153	750	907	1928
2003 March	836	105	171	767	941	1950
2003 April	877	106	185	795	983	1954
2003 May	921	113	167	864	1034	1927
2003 June	958	109	152	910	1067	1957
2003 July	974	107	153	924	1081	2016
2003 August	979	111	153	932	1090	2026
2003 September	984	109	154	936	1093	1966
2003 October	997	105	158	941	1102	2064
2003 November	1005	106	158	952	1111	1973
2003 December	1010	104	153	959	1114	1946
2003 Average	924	108	157	872	1032	1967
2004 January	1001	100	143	955	1101	2019
2004 February	1020	99	153	961	1119	2043
2004 March	1041	94	164	968	1135	2047
2004 April	1058	93	154	996	1151	2050
2004 May	1068	96	156	1007	1164	2095
2004 June	1080	96	164	1011	1176	2067
2004 July	1116	97	170	1041	1213	2068
2004 August	1139	95	170	1063	1234	2106
2004 September	1148	92	166	1073	1240	2078
2004 October	1145	95	171	1068	1240	2111
2004 November	1160	102	183	1077	1262	2024
2004 December	1140	106	180	1064	1246	2063
2004 Average	1095	97	165	1025	1192	2064
2005 January	1153	102	178	1075	1255	2091
2005 February	1170	106	192	1083	1276	2144
2005 March	1209	97	186	1118	1306	2143
2005 April	1241	93	171	1163	1334	2216
2005 May	1229	91	150	1170	1320	2242
2005 June	1259	96	146	1208	1355	2238
2005 July	1297	101	170	1226	1398	2247
2005 August	1333	102	206	1227	1436	2276
2005 September	1360	91	210	1236	1452	2268
2005 October	1392	87	217	1256	1479	2315
2005 November	1402	84	253	1228	1486	2247
2005 December	1393	77	247	1220	1470	2237
2005 Average	1287	94	194	1184	1381	2222
2006 January	1396	77	242	1228	1473	2285
2006 February	1455	79	209	1321	1533	2339
2006 March	1464	88	244	1305	1551	2342
2006 April	1502	95	259	1337	1597	2340
2006 May	1536	100	261	1373	1635	2398
2006 June	1570	95	285	1376	1665	2382
2006 July	1587	94	298	1379	1681	2342
2006 August	1639	99	316	1417	1738	2404
2006 September	1646	93	305	1429	1739	2380
2006 October	1644	90	288	1441	1734	2440
2006 November	1620	87	288	1414	1706	2366
2006 December	1634	84	281	1431	1718	2351
2006 Average	1559	90	274	1372	1649	2364
2007 January	1630	84	270	1440	1714	2307
2007 February	1651	85	266	1466	1736	2401
2007 March	1667	81	282	1461	1749	2401
2007 April	1675	75	285	1461	1750	2375
2007 May	1671	77	282	1464	1748	2387
2007 June	1692	79	283	1483	1771	2381
2007 July	1698	79	285	1486	1777	2358
2007 August	1731	73	306	1492	1804	2408
2007 September	1718	65	302	1475	1783	2418
2007 October	1713	49	321	1435	1762	2395
2007 November	1737	61	341	1451	1798	2408
2007 December	1749	62	338	1468	1811	2420
2007 Average	1695	72	297	1466	1768	2388
2008 January	1690	60	321	1421	1749	2476
2008 February	1709	56	331	1426	1765	2455
2008 March	1737	60	343	1444	1797	2457
2008 April	1765	64	358	1461	1829	2498
2008 May	1794	68	375	1478	1863	2546
2008 June	1834	67	383	1510	1902	2554
2008 July	1865	67	380	1543	1932	2567
2008 August	1920	67	397	1581	1987	2611
2008 September	1942	72	417	1585	2014	2612
2008 October	1903	73	422	1542	1976	2591
2008 November	1872	63	426	1498	1935	2469
2008 December	1716	66	391	1380	1782	2342
2008 Average	1814	65	379	1491	1879	2515