Year Per 100,000 People 1966 4.1479 1967 5.3779 1968 5.1535 1969 5.539 1970 5.3747 1977 3.8702 1978 4.0165 1979 2.8273 1980 3.0483 1981 3.7778 1982 3.5166 1983 3.9387 1984 4.4418 1985 3.7703 1986 5.7433 1987 4.8058 1988 5.0827 1989 5.1347 1990 4.8068 1991 4.5112 1992 4.4452 1993 3.8409 1994 4.0774 1995 3.6828 1996 3.9493