Year Per 100,000 People 1953 34.6214 1954 33.1326 1955 34.2737 1956 33.3132 1957 35.872 1958 35.8704 1959 39.2786 1960 39.2895 1961 35.2349 1962 34.0804 1963 32.756 1964 32.32 1965 32.4799 1966 34.1233 1967 34.5478 1968 34.485 1969 32.3646 1970 37.1949 1971 36.2278 1972 35.1316 1973 33.3614 1974 35.0352 1975 30.5674 1976 32.0757 1977 32.6733 1978 31.8939 1979 29.7999 1980 30.2694 1981 30.4656 1982 29.6394 1983 30.9863 1984 28.119 1985 29.7163 1986 30.3239 1987 26.5588 1988 24.8019 1989 27.6695 1990 28.8393 1991 26.7352