Year,Comm_land_kmt
1962,
1963,
1964,0.8615
1965,0.9089
1966,0.9235
1967,3.3769
1968,2.6307
1969,1.6524
1970,2.1123
1971,2.8435
1972,2.7162
1973,2.7267
1974,2.5049
1975,2.4129
1976,1.7602
1977,1.8347
1978,3.27
1979,2.428
1980,2.3564
1981,3.4855
1982,3.7448
1983,3.1136
1984,2.4936
1985,2.6491
1986,2.0363
1987,1.8697
1988,1.6308
1989,1.8652
1990,1.961
1991,2.8295
1992,3.1031
1993,2.9209
1994,1.4331
1995,1.8214
1996,1.0311
1997,1.1523
1998,1.1796
1999,0.6909
2000,0.6891
2001,0.9411
2002,0.8255
2003,0.7451
2004,0.6318
2005,0.6230