Year Per 100,000 People 1961 16.3808 1962 17.1512 1963 16.489 1964 17.8294 1965 19.1918 1969 27.123 1970 23.4659 1971 21.8335 1972 25.7095 1973 27.2053 1974 26.162 1975 18.0389 1976 18.8455 1977 19.5776 1979 20.8537 1980 18.4627 1981 18.9502 1982 17.2387 1983 17.2943 1984 22.345 1985 22.6421 1986 23.8265 1987 24.3602 1988 23.784 1989 19.9002 1990 18.0265 1991 16.0602 1992 17.4462