Year Per 100,000 People 1981 6.4901 1982 6.8106 1985 5.0364 1986 4.6181 1987 5.1117 1988 5.9667 1989 9.0622 1990 8.7541 1991 8.9224 1992 12.5603 1993 11.7722 1994 13.9688 1995 15.0376 1996 15.0564 1997 13.2462 1998 11.9886 1999 11.1323 2000 11.6191 2001 10.4031 2002 9.9577 2003 9.3056 2004 7.5306