Yearly Averaged Batting Handedness Factors
Year LG Right Left Switch
1960 NL 1.025 0.942 1.100
1961 NL 1.044 0.915 1.030
1962 NL 1.056 0.905 0.940
1963 NL 1.059 0.916 0.857
1964 NL 1.054 0.934 0.822
1965 NL 1.049 0.928 0.907
1966 NL 1.043 0.896 1.048
1967 NL 1.048 0.865 1.084
1968 NL 1.056 0.866 1.008
1969 NL 1.057 0.895 0.926
1970 NL 1.054 0.913 0.912
1971 NL 1.055 0.895 0.965
1972 NL 1.062 0.865 1.024
1973 NL 1.049 0.882 1.075
1974 NL 1.030 0.926 1.058
1975 NL 1.032 0.951 0.967
1976 NL 1.036 0.960 0.912
1977 NL 1.044 0.928 0.933
1978 NL 1.060 0.888 0.954
1979 NL 1.071 0.880 0.934
1980 NL 1.073 0.874 0.950
1981 NL 1.076 0.857 0.996
1982 NL 1.086 0.848 0.989
1983 NL 1.078 0.877 0.962
1984 NL 1.055 0.913 0.965
1985 NL 1.057 0.893 0.987
1986 NL 1.066 0.851 1.024
1987 NL 1.047 0.858 1.065
1988 NL 1.043 0.866 1.069
1989 NL 1.078 0.839 1.033
1990 NL 1.104 0.843 0.980
1991 NL 1.108 0.883 0.920
1992 NL 1.097 0.872 0.955
1993 NL 1.071 0.852 1.024
1994 NL 1.072 0.865 0.974
1995 NL 1.069 0.887 0.943
1996 NL 1.031 0.912 1.028
1997 NL 1.030 0.880 1.093
1998 NL 1.057 0.846 1.059
1999 NL 1.062 0.858 1.029
2000 NL 1.058 0.881 0.998
2001 NL 1.052 0.907 0.973
2002 NL 1.050 0.897 1.009
2003 NL 1.053 0.885 1.020
2004 NL 1.044 0.903 1.021
Year LG Right Left Switch
1960 AL 1.044 0.933 0.753
1961 AL 1.050 0.910 0.932
1962 AL 1.045 0.920 0.997
1963 AL 1.022 0.958 1.024
1964 AL 1.006 0.984 1.041
1965 AL 1.015 0.968 0.995
1966 AL 1.056 0.890 0.977
1967 AL 1.095 0.830 0.922
1968 AL 1.090 0.862 0.849
1969 AL 1.074 0.886 0.871
1970 AL 1.071 0.867 0.962
1971 AL 1.048 0.888 1.049
1972 AL 1.029 0.924 1.053
1973 AL 1.029 0.931 1.041
1974 AL 1.012 0.948 1.128
1975 AL 1.017 0.938 1.135
1976 AL 1.052 0.905 1.029
1977 AL 1.067 0.911 0.935
1978 AL 1.078 0.911 0.873
1979 AL 1.083 0.884 0.930
1980 AL 1.082 0.873 0.982
1981 AL 1.079 0.882 0.953
1982 AL 1.050 0.918 0.975
1983 AL 1.026 0.960 0.987
1984 AL 1.037 0.936 1.009
1985 AL 1.045 0.900 1.061
1986 AL 1.035 0.904 1.073
1987 AL 1.033 0.898 1.075
1988 AL 1.042 0.905 1.030
1989 AL 1.048 0.920 0.979
1990 AL 1.061 0.881 0.999
1991 AL 1.069 0.838 1.041
1992 AL 1.058 0.839 1.059
1993 AL 1.053 0.843 1.058
1994 AL 1.056 0.847 1.054
1995 AL 1.067 0.863 1.021
1996 AL 1.090 0.889 0.927
1997 AL 1.098 0.897 0.888
1998 AL 1.084 0.901 0.925
1999 AL 1.080 0.896 0.949
2000 AL 1.097 0.856 0.970
2001 AL 1.105 0.843 0.974
2002 AL 1.093 0.878 0.954
2003 AL 1.073 0.917 0.945
2004 AL 1.053 0.937 0.964