Year Per 100,000 People 1979 31.9966 1980 30.5618 1981 31.8197 1982 30.5172 1983 25.7999 1984 27.4019 1985 33.7854 1986 37.3229 1987 28.4686 1988 30.4784 1989 23.138 1990 29.4163 1991 39.3044 1992 44.5355