Year,Comm_land_mt,Comm_discd_mt,F
1969,22252,0,0.4537
1970,11300,0,0.3
1971,10862,0,0.5008
1972,5733,133,0.407
1973,5333,98,0.3822
1974,3230.553738,1219.446262,0.0614
1975,5415,186,0.1117
1976,4318,160,0.1314
1977,6443.138276,4512.861724,0.2248
1978,19115.10828,3189.89172,0.2549
1979,19359,186,0.3204
1980,17461.90361,10176.09639,0.4467
1981,24834,177,0.3918
1982,17497,130,0.3141
1983,11890,119,0.299
1984,10270,124,0.4235
1985,7757,186,0.3331
1986,6754,92,0.2846
1987,6859,138,0.2905
1988,6538,151,0.3419
1989,4490,138,0.2733
1990,5341,128,0.3157
1991,6851,117,0.3745
1992,6063,130,0.4291
1993,4414,114,0.4196
1994,2532.932203,210.0677966,0.345
1995,2167.042553,184.9574468,0.1305
1996,3809.337662,218.6623377,0.1552
1997,3133,564,0.1032
1998,5132.695385,181.3046154,0.1221
1999,6456,49,0.129
2000,8768,29,0.15
2001,11404.13,163,0.1757
2002,12817.85,176,0.1775
2003,12339.3,237,0.1633
2004,16924.52,659,0.2436