Year	Per 100,000 People
1981	10.7712
1982	8.5944
1985	8.1433
1986	7.9965
1987	7.9856
1988	8.5208
1989	8.9734
1990	8.1434
1991	10.0286
1992	6.2621
1993	5.0236
1994	4.1823
1995	3.8876
1996	4.1954
1997	3.5763
1998	2.6925
1999	2.5083
2000	2.6242
2001	2.4986
2002	3.6286
2003	3.4809
2004	3.726
2005	2.5004
2006	3.9295
2007	3.7143
2008	5.1565
2009	4.5567
2010	3.1707
2011	4.3445
2012	3.376
2013	3.2801
2014	3.2373
2015	2.4024