Year Per 100,000 People 1980 41.6482 1981 42.7549 1982 42.5452 1985 39.1811 1986 36.2966 1987 38.312 1988 39.4919 1989 39.2968 1990 39.7949 1991 38.7297 1992 40.6798 1993 45.844 1994 48.9698 1995 47.4358 1996 45.6727 1997 46.1163 1998 42.8976