Year Per 100,000 People 1955 10.9437 1956 10.2139 1957 8.0396 1958 16.5032 1959 14.542 1960 15.9998 1961 18.1478 1962 21.8414 1963 24.755 1964 22.8738 1965 21.0791 1966 18.9972 1967 18.3715 1968 17.2942 1969 18.1404 1970 16.9389 1971 18.1464 1972 18.2851 1973 20.5009 1974 20.3952 1975 17.5714 1976 18.3932 1977 18.7995 1978 19.9791 1979 21.3903 1980 24.6833 1981 20.0852 1982 23.3662 1983 27.0016 1985 19.141 1986 16.2478 1987 15.3499 1988 17.0431 1989 22.7568 1990 24.8116 1992 24.8864 1993 27.899 1994 29.3053