Year	Per 100,000 People
1981	4.0654
1982	3.7042
1985	3.1322
1986	3.6559
1987	3.6491
1988	3.3824
1989	2.8878
1990	1.6206
1991	2.2019
1992	2.3889
1993	2.0324
1994	0.611
1995	0.7243
1996	0.8386
1997	1.1754
1998	0.4421
1999	0.5416
2000	1.069
2007	0.3965