Year Per 100,000 People 1955 3.4645 1956 10.2423 1957 5.0095 1958 6.4449 1959 3.8825 1960 8.3964 1961 10.1846 1962 3.3956 1963 2.5984 1964 8.9072 1965 4.2178 1966 9.5513 1967 7.3091 1968 4.0746 1969 6.8066 1970 4.669 1971 5.8746 1972 6.6698 1973 3.0845 1974 6.5313 1975 3.0466 1976 3.3723 1977 2.0105 1978 8.8862 1979 3.6213 1980 2.3701 1981 2.8835 1983 1.4333 1984 6.7857 1985 6.3077 1986 11.596 1987 5.5918