Year Per 100,000 People 1981 4.7375 1982 8.1821 1985 4.8713 1986 3.9891 1987 4.2153 1988 5.5414 1989 6.2852 1990 5.7815 1991 5.5054 1992 6.9597 1993 8.6656 1994 8.3711 1995 12.6432 1997 11.728 1998 11.1653 1999 10.1267 2000 11.2921 2001 11.8983