Year Per 100,000 People 1981 5.94 1982 5.7466 1985 4.2918 1986 5.0634 1987 3.7099 1988 5.2525 1989 4.3274 1990 11.1627 1991 9.6169 1992 96.6147 1993 77.4319 1994 116.3947 1995 16.6091 1996 13.7055 1997 10.781 1998 9.9769 1999 8.7415 2000 5.1443 2007 0.3558