Year Per 100,000 People 1965 10.1289 1966 8.2675 1967 10.1638 1968 9.5882 1969 4.2844 1970 16.6213 1971 10.8597 1972 8.9 1973 6.3796 1974 8.5443 1975 9.1197 1976 9.0233 1977 10.1633 1978 9.4558 1979 8.2666 1980 5.3471 1981 7.4198 1982 9.5213 1983 6.7084 1984 5.049 1985 7.3925