Year Per 100,000 People 1965 1.5855 1966 2.6538 1967 2.4733 1968 3.2447 1969 3.5574 1970 1.7431 1971 2.872 1972 4.033 1973 3.8726 1974 4.2988 1975 3.9262 1976 4.0831 1977 3.7364 1978 3.1444 1979 2.6352 1980 2.4518 1981 3.0511 1982 2.8927 1983 3.1933 1984 2.5901 1985 2.3483