Year,US_land_mt 1950,21448.0000 1951,26161.1000 1952,20986.7000 1953,23212.4000 1954,23671.3000 1955,21389.1000 1956,24266.4000 1957,25949.2000 1958,33952.9000 1959,22601.0000 1960,23157.4000 1961,23950.1000 1962,23270.1000 1963,25495.6000 1964,19416.6000 1965,29186.6000 1966,26398.4000 1967,26793.5000 1968,25978.5000 1969,26211.4000 1970,16250.8000 1971,13074.3000 1972,12652.9000 1973,10489.6000 1974,11178.2000 1975,10717.4000 1976,6525.3000 1977,6426.8000 1978,5739.3000 1979,4417.4000 1980,4744.0000 1981,3582.4000 1982,5762.1000 1983,4163.8000 1984,4109.8000 1985,6200.1000 1986,4057.5000 1987,2546.7000 1988,2550.5000 1989,1548.2000 1990,1236.6000 1991,1325.5000 1992,1457.5000 1993,763.1000 1994,440.1000 1995,458.5000 1996,464.1000 1997,526.2000 1998,603.9000 1999,613.1000 2000,531.5000 2001,697.2000 2002,885.9000 2003,679.9000 2004,604.1000 2005,285.7000