Year Per 100,000 People 1965 9.0588 1966 9.4871 1967 10.0622 1968 8.8788 1969 5.7575 1970 17.1533 1971 14.6031 1972 7.5504 1973 9.3461 1974 7.9587 1975 8.0507 1976 6.6785 1977 5.9792 1978 6.952 1979 6.116 1980 6.7737 1981 6.0551 1982 6.6256 1983 6.6071 1984 6.7008 1985 7.2874