Year Per 100,000 People 1981 10.7895 1982 7.8279 1985 7.4951 1986 6.3331 1987 7.1848 1988 8.9035 1989 10.3149 1990 12.1623 1991 7.8217 1992 8.5432 1993 12.6038 1994 6.5055 1995 8.8563 1996 9.1596 1997 10.2485 1998 10.7054