Year Per 100,000 People 1955 9.4685 1956 9.2148 1957 8.4316 1958 14.6543 1959 13.7837 1960 15.39 1961 15.9837 1962 18.165 1963 20.9254 1964 21.0628 1965 19.3685 1966 15.8962 1967 14.5011 1968 14.8879 1969 14.3736 1970 14.1576 1971 14.4474 1972 15.89 1973 16.2112 1974 16.4893 1975 14.1221 1976 13.7802 1977 13.951 1978 14.9691 1979 15.631 1980 17.0722 1981 14.1888 1982 16.7756 1983 20.4904 1985 14.6029 1986 12.2448 1987 12.5432 1988 12.0462 1989 16.1045 1990 18.2774 1992 18.404 1993 19.5232 1994 19.9748