Year Per 100,000 People 1981 3.8268 1982 2.8535 1985 2.5168 1986 2.6809 1987 2.9095 1988 2.5345 1989 2.492 1990 0.8325 1991 1.0087 1992 1.0894 1993 1.0285 1994 0.5496 1995 0.1801 1996 0.3849 1997 0.6183 1998 0.4201 1999 0.3349 2000 0.3884 2007 0.2878