Year Per 100,000 People 1955 2.5889 1956 1.1673 1957 2.6691 1958 4.606 1959 2.7069 1960 4.0216 1961 4.2458 1962 4.8527 1963 4.2326 1964 6.1422 1965 5.1344 1966 5.9756 1967 5.6673 1968 7.9994 1969 4.4587 1970 4.9819 1971 10.6035 1972 5.15 1973 8.1929 1974 6.4997 1975 7.6478 1976 9.0755 1977 9.6729 1978 8.6757 1979 7.2134 1980 9.2121 1981 8.2596 1982 9.9903 1983 8.7003 1984 9.0031 1985 6.2389 1986 8.6567 1987 7.6765