Year Per 100,000 People 1961 22.2457 1962 23.3942 1963 22.3878 1964 20.5743 1965 21.9702 1969 21.9492 1970 20.0803 1971 20.658 1972 21.1041 1973 17.4684 1974 15.7576 1975 17.4042 1976 14.6868 1977 19.2026 1979 17.6769 1980 16.5295 1981 16.321 1982 20.5586 1983 18.7136 1984 15.2086 1985 13.2206 1986 14.2381 1987 10.3441 1988 14.9368 1989 15.7928 1990 16.3405 1991 15.3142 1992 14.8691