Year Per 100,000 People 1981 4.0957 1982 3.6025 1985 2.8562 1986 3.4981 1987 2.7581 1988 3.8772 1989 2.5377 1990 6.488 1991 5.3112 1992 50.5588 1993 40.6787 1994 60.6174 1995 9.1619 1996 7.75 1997 6.2934 1998 5.9676 1999 4.9959 2000 3.2503 2007 0.231