Year Per 100,000 People 1961 12.1386 1962 10.4109 1963 6.8212 1964 9.3133 1965 11.3394 1969 10.4827 1970 10.0608 1971 7.8389 1972 8.6758 1973 10.1668 1974 6.7826 1975 7.0465 1976 11.192 1977 9.1612 1979 8.1527 1980 9.7013 1981 7.5923 1982 8.8727 1983 7.7024 1984 6.9897 1985 6.414 1986 6.6342 1987 6.2684 1988 7.7819 1989 5.7276 1990 7.5449 1991 6.3825 1992 7.2948