Year	Per 100,000 People
1981	18.7581
1982	14.016
1985	15.123
1986	16.689
1987	14.7357
1988	14.7321
1989	13.4798
1990	15.5348
1991	13.1785
1992	13.2271
1993	11.6621
1994	10.0242
1995	11.2998
1996	12.5946
1997	13.4282
1998	16.849