Year Per 100,000 People 1980 22.0365 1981 23.3885 1982 21.8223 1983 20.6472 1984 19.5708 1985 16.1739 1986 14.3746 1987 15.8254 1988 23.2211 1989 29.7704 1990 32.2139 1991 34.3427 1992 33.4295 1993 33.4294 1994 30.6663 1995 28.9971 1996 24.8857 1997 23.9889 1998 26.3785