Year	Per 100,000 People
1990	8.0522
1991	7.8327
1992	7.5086
1993	7.0427
1994	6.6078
1995	6.6329
1996	6.2733
1997	5.8202
1998	4.5632
1999	4.739
2000	4.586
2001	4.1556
2002	4.0812
2003	3.6552
2004	3.189
2005	2.9628
2006	2.6929
2007	2.6648
2008	2.4597
2009	2.0623
2010	2.1262
2011	2.0002
2012	1.8472
2013	1.7097
2014	1.5355
2015	1.5432