Year Per 100,000 People 1965 1.7188 1966 2.1993 1967 5.1898 1968 5.8415 1969 3.8709 1970 4.5444 1971 3.8553 1972 5.5041 1973 4.1551 1974 3.7536 1975 3.457 1976 3.4375 1977 3.9676 1978 2.6654 1979 2.8323 1980 3.2757 1981 2.6758 1982 3.4367 1983 4.1287 1984 4.5025 1985 2.4588