Year Per 100,000 People 1955 4.2434 1956 4.847 1957 5.0483 1958 7.2452 1959 8.208 1960 6.5034 1961 6.2792 1962 7.0001 1963 8.6465 1964 7.8593 1965 9.5915 1966 8.7627 1967 10.4728 1968 10.4958 1969 12.0938 1970 11.1086 1971 11.6332 1972 12.2031 1973 13.3012 1974 15.6006 1975 15.8087 1976 17.0802 1977 14.1286 1978 16.9541 1979 15.3977 1980 19.3686 1981 13.7207 1982 13.5679 1983 12.5446 1985 10.6609 1986 11.0234 1987 11.0226 1988 11.1239 1989 9.2939 1990 10.0462 1992 10.8274 1993 10.3658 1994 9.8033