Year,Biomass_kmt
1968,1.5178
1969,0.6551
1970,3.1895
1971,2.7560
1972,1.5461
1973,2.5840
1974,2.6625
1975,3.9680
1976,1.2015
1977,0.5320
1978,1.2442
1979,1.8192
1980,0.8377
1981,5.0554
1982,1.1674
1983,7.0321
1984,0.3482
1985,9.1016
1986,1.9566
1987,7.2184
1988,1.9782
1989,2.6823
1990,1.7107
1991,2.4056
1992,1.7263
1993,1.2053
1994,9.8241
1995,0.5931
1996,2.1232
1997,0.0965
1998,0.1275
1999,0.0505
2000,0.1566
2001,0.0747
2002,0.1228
2003,0.2738
2004,1.5618
2005,0.6909
2006,0.2775