Year Per 100,000 People 1955 9.2896 1956 7.6103 1957 5.9069 1958 8.9295 1959 8.5259 1960 10.3594 1961 6.3129 1962 10.4252 1963 7.4574 1964 9.239 1965 8.7608 1966 7.0515 1967 5.1315 1968 6.7846 1969 7.5694 1970 4.718 1971 6.0199 1972 3.6489 1973 5.1793 1974 2.7845 1975 4.4895 1976 2.4347 1977 2.5668 1978 3.7165 1979 3.9269 1980 3.5554 1981 4.2589 1982 5.8472 1983 4.7188 1984 4.2841 1985 8.7107 1986 8.3494 1987 11.3883