Year,Fall_kg_tow
1963,8.91
1964,3.54
1965,4.56
1966,2.44
1967,1.27
1968,2.85
1969,2.78
1970,1.97
1971,2.04
1972,3.58
1973,2.17
1974,0.67
1975,4.44
1976,2.74
1977,2.72
1978,1.87
1979,2.97
1980,3.53
1981,2.65
1982,2.39
1983,6.04
1984,0.78
1985,2.40
1986,1.09
1987,0.73
1988,0.75
1989,1.57
1990,1.71
1991,4.14
1992,0.62
1993,1.13
1994,0.76
1995,0.48
1996,0.36
1997,0.57
1998,0.53
1999,0.59
2000,0.42
2001,1.79
2002,0.83
2003,0.67
2004,0.42
2005,0.78