Year Per 100,000 People 1965 0.1183 1966 1.0855 1967 0.4997 1968 0.6753 1969 0.1575 1970 0.8017 1971 0.4951 1972 0.3475 1973 0.4785 1974 0.405 1975 0.2287 1976 0.3409 1977 0.3775 1978 0.3981 1979 0.3492 1980 0.2015 1981 0.2464 1982 0.4023 1983 0.3076 1984 0.32 1985 0.2351