Year Per 100,000 People 1961 10.3622 1962 7.4738 1963 12.3133 1964 13.9486 1965 15.6946 1966 19.521 1967 14.1996 1968 18.8772 1969 19.4125 1970 20.657 1971 23.6393 1972 20.4062 1973 19.9278 1974 23.7864 1975 21.4558 1976 23.288 1977 25.5429 1978 23.5405 1979 21.8678 1980 23.4067 1981 16.3466 1982 15.311 1983 10.2285 1984 12.8221 1985 15.8204 1986 13.2244 1987 15.1161 1988 11.539 1989 13.0631 1990 14.9709 1991 13.561 1992 13.7204 1993 13.7124 1994 17.4169 1995 16.8129