Year Per 100,000 People 1981 16.1585 1982 15.3275 1985 20.7338 1986 15.9904 1987 15.2047 1988 13.766 1989 17.1997 1990 15.7551 1991 15.071 1992 10.1762 1993 12.7061 1994 13.7172 1995 17.1135 1996 16.3156 1997 14.3349 1998 12.8952 1999 13.8944 2000 13.0344 2001 11.6255 2002 10.0426 2003 9.442 2004 7.6361 2005 7.2199