Year Per 100,000 People 1981 9.3985 1982 7.4779 1985 6.2234 1986 5.4709 1987 3.459 1988 6.5262 1989 7.4304 1990 8.1926 1991 7.2442 1992 7.224 1993 5.6733 1994 6.2233 1995 4.0578 1996 8.2033 1997 6.056 1998 10.1312