Year Per 100,000 People 1979 12.2889 1980 10.0578 1981 10.3011 1982 11.2653 1983 9.8226 1984 6.8364 1985 11.1085 1986 17.8524 1987 9.1302 1988 6.841 1989 5.7116 1990 7.9377 1991 10.6602 1992 11.6643