Year Per 100,000 People 1981 15.3835 1982 10.8243 1985 8.5328 1986 16.7736 1987 24.3813 1988 20.3217 1989 12.8387 1990 17.8654 1991 13.3827 1992 10.5965 1993 12.2381 1994 13.9874 1995 7.4422 1996 11.859 1997 5.4416 1998 8.5737