Year Per 100,000 People 1955 10.6642 1956 3.6381 1957 4.2323 1958 2.9238 1959 4.1036 1960 8.8092 1961 5.974 1962 7.2883 1963 7.679 1964 7.8773 1965 8.6915 1966 8.397 1967 5.3319 1968 5.1581 1969 5.5449 1970 5.3079 1971 5.5665 1972 3.7338 1973 4.0442 1974 5.7314 1975 3.3812 1976 2.204 1977 2.81 1978 3.0515 1979 2.3498 1980 2.8218 1981 3.6058 1982 1.9117 1983 2.2573 1984 2.5338 1985 4.7416 1986 3.8599 1987 6.1034