Year Per 100,000 People 1953 0.9003 1954 1.0615 1955 1.4941 1956 1.4884 1957 1.0041 1958 0.8742 1959 1.0029 1960 0.943 1961 0.9228 1962 1.2964 1963 1.2921 1964 1.1177 1965 1.0866 1966 1.1906 1967 1.4041 1968 1.019 1969 1.2095 1970 1.4279 1971 1.2344 1972 1.1319 1973 0.9662 1974 1.0012 1975 1.0132 1976 0.595 1977 1.0263 1978 0.7441 1979 0.8506 1980 0.6774 1981 0.8278 1982 0.9198 1983 0.9911 1984 0.8128 1985 0.6675 1986 0.6864 1987 0.6801 1988 0.6607 1989 0.4746 1990 0.7781 1991 0.8226