Year	Per 100,000 People
1990	20.8141
1991	20.9015
1992	19.9834
1993	19.0398
1994	19.3437
1995	19.3633
1996	18.2412
1997	18.348
1998	17.7445
1999	16.6486
2000	16.4979
2001	16.5394
2002	16.1445
2003	16.0721
2004	15.4171
2005	14.4544
2006	13.579
2007	13.0898
2008	13.1044
2009	13.2554
2010	13.8211
2011	13.7797
2012	13.0473
2013	13.4981
2014	13.626
2015	12.914