Year Per 100,000 People 1955 0.3785 1956 0.2914 1957 0.4466 1958 0.4369 1959 0.3106 1960 0.3422 1961 0.6274 1962 1.0022 1963 0.0304 1964 0.2307 1965 0.1037 1966 0.4341 1967 0.2637 1968 0.4704 1969 0.719 1970 0.58 1971 0.4693 1972 0.5472 1973 0.4242 1974 0.3559 1975 0.516 1976 0.546 1977 0.5237 1978 0.25 1979 0.3317 1980 0.1404 1981 0.3086 1982 0.31 1983 0.2836 1984 0.3667 1985 0.2753 1986 0.291 1987 0.1806 1988 0.3017 1989 0.3562 1990 0.3246 1991 0.3235 1992 0.2401 1993 0.3146 1994 0.1561