Year Per 100,000 People 1955 1.8549 1956 1.9408 1957 1.3572 1958 2.0701 1959 1.7074 1960 2.2413 1963 1.0781 1964 1.9685 1965 1.7457 1966 2.1475 1967 2.6892 1968 1.8768 1969 1.5621 1970 1.3324 1971 0.8274 1972 1.2513 1973 0.8341 1974 1.7285 1975 0.96 1976 1.2773 1977 1.7718 1978 0.7439 1980 1.7233 1981 1.7451 1982 1.6041 1983 1.2207 1984 0.9923 1985 0.7186 1986 1.4243 1987 2.181 1988 1.6764 1989 1.835 1990 1.8834