Year,Comm_land_mt,Rec_land_mt,Comm_discd_mt,Rec_discd_mt
1960,22236,,,
1961,20994,,,
1962,20831,,,
1963,24747,,,
1964,17662.5,,,
1965,17874,,,
1966,12782.8,,,
1967,9643.8,,,
1968,8881.3,,,
1969,5634,,,
1970,4781,,,
1971,4863,,,
1972,5850,,,
1973,6807,,,
1974,8064,,,
1975,8308,,,
1976,7389,,,
1977,8358,,,
1978,8939,,,
1979,8585.1,,,
1980,8440.1,,,
1981,9856.5,,,
1982,8703.5,2361,,47
1983,7794.4,2836,,57
1984,7769.3,1096,,30
1985,6726.7,2764,,54
1986,7176,5264,,87
1987,6276,2806,,38
1988,5943,1936,,31
1989,3984,2521,2229,39
1990,4571,1878,3909,38
1991,7081,3668,3530,78
1992,6259,2001,5668,47
1993,4726,1450,1436,28
1994,4392,1192,807,37
1995,3073,596,2057,13
1996,2945,1016,1522,20
1997,2188,543,1843,8
1998,1896,395,3331,14
1999,1505,855,4819,6
2000,1207,2365,2352,55
2001,1729,1933,1499,165
2002,3173,1643,5636,137
2003,4405,3848,2153,158
2004,4227,1999,893,134
2005,4226,1091,662,84