Year,R_index_knum_tow,B_index_kg_tow,B_index_kg_tow_MA_3
1962,12.2,,
1963,4.46,50.697,50.697
1964,0.37,18.829,34.763
1965,0.04,17.644,29.05666667
1966,0,13.859,16.77733333
1967,0,16.853,16.11866667
1968,0,15.484,15.39866667
1969,0.04,12.854,15.06366667
1970,0,7.354,11.89733333
1971,1.18,8.137,9.448333333
1972,0.01,3.036,6.175666667
1973,1.69,8.583,6.585333333
1974,0.22,3.347,4.988666667
1975,1.76,8.616,6.848666667
1976,3.35,8.04,6.667666667
1977,0.01,8.752,8.469333333
1978,0.37,20.932,12.57466667
1979,0.5,13.723,14.469
1980,0.5,9.835,14.83
1981,0.05,9.344,10.96733333
1982,0.56,4.164,7.781
1983,0.21,5.219,6.242333333
1984,0.09,3.893,4.425333333
1985,0.01,6.149,5.087
1986,0,1.392,3.811333333
1987,0,2.645,3.395333333
1988,0.06,1.476,1.837666667
1989,0.03,0.631,1.584
1990,0.06,0.432,0.846333333
1991,0.14,0.12,0.394333333
1992,0.47,0.091,0.214333333
1993,0.03,0.472,0.227666667
1994,0.09,0.217,0.26
1995,0.13,1.099,0.596
1996,1.33,3.543,1.619666667
1997,0.24,2.424,2.355333333
1998,3.2308,2.917,2.961333333
1999,0.791,4.91,3.417
2000,0.2404,14.032,7.286333333
2001,0.1205,11.983,10.30833333
2002,0,4.839,10.28466667
2003,0.3475,5.361,7.394333333
2004,,7.168,5.789333333
2005,,,