Year Per 100,000 People 1955 4.6435 1956 4.7963 1957 5.0527 1958 4.9944 1959 4.756 1960 4.544 1961 4.8852 1962 6.5995 1963 7.173 1964 7.599 1965 7.901 1966 7.4274 1967 6.9067 1968 6.6278 1969 5.9358 1972 6.7328 1974 7.8319 1975 7.053 1976 7.3714 1977 7.008 1984 6.9067 1985 6.3983 1986 6.0816 1991 5.7808 1992 6.0033 1993 5.5044 1994 5.7002