Year Per 100,000 People 1981 3.2477 1982 3.1768 1985 2.5002 1986 2.9422 1987 3.0199 1988 3.5501 1989 2.0084 1990 8.5667 1991 7.0538 1992 120.2516 1993 108.2268 1994 174.2986 1995 19.0661 1996 14.2926 1997 13.3113 1998 11.4049 1999 9.1885 2000 4.6343 2007 0.2055