Year Per 100,000 People 1981 8.6292 1982 6.4517 1985 5.4896 1986 4.7159 1987 4.4631 1988 7.0889 1989 7.7105 1990 8.3793 1991 6.429 1992 6.4374 1993 6.9954 1994 5.4217 1995 4.7311 1996 7.0166 1997 6.3051 1998 8.4773