Year,Fall_kg_tow,BMSY_proxy_kg_tow,Replace_ratio_MA_5,Replace_level
1960,,3,,
1961,,3,,
1962,,3,,
1963,,3,,1
1964,,3,,1
1965,3.339,3,,1
1966,2.291,3,,1
1967,1.822,3,,1
1968,1.92,3,1.011,1
1969,2.463,3,1.58,1
1970,2.592,3,0.736,1
1971,2.437,3,1.006,1
1972,2.389,3,1.454,1
1973,3.168,3,1.524,1
1974,2.953,3,0.527,1
1975,2.358,3,0.586,1
1976,3.868,3,3.416,1
1977,5.23,3,1.487,1
1978,6.019,3,0.908,1
1979,4.521,3,0.966,1
1980,3.528,3,0.56,1
1981,2.601,3,0.219,1
1982,1.698,3,0.394,1
1983,1.24,3,0.489,1
1984,1.067,3,0.27,1
1985,1.193,3,1.256,1
1986,1.132,3,0.903,1
1987,1.351,3,1.014,1
1988,1.366,3,1.516,1
1989,1.21,3,0.483,1
1990,1.133,3,0.769,1
1991,0.754,3,0.568,1
1992,0.851,3,0.863,1
1993,0.68800001,3,0.509,1
1994,0.581,3,0.446,1
1995,0.446,3,0.744,1
1996,0.495,3,1.129,1
1997,0.72,3,1.729,1
1998,0.81,3,1.289,1
1999,1.102,3,2.349,1
2000,1.049,3,0.945,1
2001,1.608,3,2.547,1
2002,1.716,3,1.406,1
2003,2.167,3,1.474,1
2004,1.992,3,1.084,1
2005,,,,1
2006,,,,1
2007,,,,1
2008,,,,1
2009,,,,1
2010,,,,1