Year,Total_land_kmt
1960,1.31
1961,1.522
1962,1.971
1963,2.333
1964,3.799
1965,3.635
1966,3.867
1967,4.473
1968,3.777
1969,3.939
1970,4.329
1971,3.061
1972,2.245
1973,2.087
1974,2.127
1975,2.596
1976,3.536
1977,7.231
1978,9.61
1979,11.36
1980,13.597
1981,12.901
1982,15.156
1983,13.178
1984,10.142
1985,7.07
1986,4.506
1987,3.849
1988,3.49
1989,2.421
1990,2.496
1991,4.261
1992,6.418
1993,5.718
1994,5.097
1995,4.648
1996,4.398
1997,4.002
1998,3.683
1999,3.257
2000,4.356
2001,4.479
2002,3.514
2003,3.487
2004,1.711
2005,1.350