Year,Comm_land_mt,Rec_land_mt,F 1956,7307,, 1957,6166,, 1958,7367,, 1959,4660,, 1960,4924,, 1961,5409,, 1962,5110,, 1963,4789,,0.094463183 1964,5453,,0.156862181 1965,4363,,0.15015487 1966,5704,,0.339982516 1967,5496,,0.340971131 1968,3557,,0.230994025 1969,2713,,0.180102233 1970,1562,,0.131289925 1971,1306,,0.138225437 1972,936,,0.151562584 1973,558,,0.084733752 1974,829,,0.166176667 1975,1263,,0.184415458 1976,1956,,0.293355997 1977,3322,,0.392238665 1978,5179,,0.411859824 1979,4879,,0.337203677 1980,7473,,0.503910991 1981,6239,,0.568871193 1982,6923,74.13324261,0.889731397 1983,7597,37.24352214,1.217012869 1984,4038,15.84804672,0.912473637 1985,3015,9.178885298,0.594653037 1986,1668,0,0.43764212 1987,829,27.33390032,0.244158649 1988,436,3.774791631,0.237257392 1989,264,17.74496797,0.166666667 1990,433,0,0.511618748 1991,431,0,1.092983939 1992,312,0,1.455676516 1993,193,0,0.8477306 1994,328.76,1.954073822,1.265384615 1995,181.57,164.9931394,0.305369128 1996,1061.32,7.613086126,0.65507306 1997,613.19,44.1957249,0.260260402 1998,1037.12,54.87327777,0.350180099 1999,913.32,27.20870896,0.267193445 2000,773.71,189.9570222,0.106226268 2001,1195.66,206.213,0.116022635 2002,1211.14,166.806,0.117748104 2003,1221.33,207.725,0.165126448 2004,1020.58,234.987,0.176358821