Year Per 100,000 People 1955 11.3585 1956 6.3567 1957 6.5316 1958 2.4785 1959 6.0031 1960 10.2824 1961 9.1126 1962 11.8007 1963 10.9209 1964 7.39 1965 11.4269 1966 9.9497 1967 9.6673 1968 7.3632 1969 7.7576 1970 6.2838 1971 5.6111 1972 4.1423 1973 4.835 1974 6.8071 1975 5.9989 1976 2.9147 1977 4.4664 1978 4.2491 1979 3.4677 1980 4.6201 1981 3.6971 1982 3.965 1983 3.9539 1984 2.6776 1985 4.8809 1986 7.3442 1987 6.9225