Year,F,Total_land_kmt 1965,,4.922 1966,,7.326 1967,,5.759 1968,0.180,8.011 1969,0.770,18.784 1970,0.932,14.888 1971,0.461,11.349 1972,0.268,13.333 1973,0.813,34.266 1974,0.423,19.402 1975,0.551,16.330 1976,0.616,16.806 1977,0.486,6.055 1978,0.389,5.582 1979,0.115,4.038 1980,0.261,6.620 1981,0.229,6.200 1982,0.502,9.967 1983,0.246,5.811 1984,0.531,12.589 1985,0.285,5.895 1986,0.407,4.654 1987,0.568,4.508 1988,0.243,2.001 1989,0.355,3.204 1990,0.231,2.298 1991,0.392,2.149 1992,0.351,2.752 1993,0.398,4.604 1994,0.178,3.631 1995,0.499,2.080 1996,0.575,3.547 1997,0.504,2.784 1998,0.434,1.956 1999,0.197,2.103 2000,0.122,1.422 2001,0.696,4.396 2002,0.342,0.867 2003,,0.237