Year Per 100,000 People 1981 16.4683 1982 15.1246 1985 17.0391 1986 14.1156 1987 12.6798 1988 11.9513 1989 13.8654 1990 13.8448 1991 12.4504 1992 11.9258 1993 11.3388 1994 11.1763 1995 11.3862 1996 13.7043 1997 11.2597 1998 12.0001 1999 12.3491 2000 12.8357 2001 12.9091 2002 9.6018 2003 8.7993 2004 8.1239 2005 7.5648