Year,Total_land_mt,F
1957,681.76,
1958,1485.98,
1959,1721.85,
1960,1529.98,
1961,1293.21,
1962,980.68,
1963,777.92,
1964,861.83,
1965,3973.95,
1966,4061.43,
1967,1872.52,
1968,2436.98,
1969,851.21,
1970,472.86,
1971,273.90,
1972,658.17,
1973,248.72,
1974,937.58,
1975,1558.34,
1976,3288.35,
1977,2591.09,
1978,4195.95,
1979,2887.64,0.65
1980,1975.23,0.55
1981,731.01,0.26
1982,1610.32,0.55
1983,3108.75,1.17
1984,3674.93,1.38
1985,3275.56,0.95
1986,3358.54,0.59
1987,7803.39,1.56
1988,6177.60,0.68
1989,7973.14,1.15
1990,6434.68,1.01
1991,7011.19,1.39
1992,4954.96,1.64
1993,2777.90,1.18
1994,5872.45,1.25
1995,6317.68,0.98
1996,4999.47,1.16
1997,2910.15,0.95
1998,2948.20,0.72
1999,4653.41,0.43
2000,8859.51,0.43
2001,15767.80,0.60
2002,17612.28,0.56
2003,19659.74,0.48
2004,24686.00,0.66
2005,15266.00,0.30