Year	Per 100,000 People
1990	24.2472
1991	23.7204
1992	21.6406
1993	20.7184
1994	20.6623
1995	20.5077
1996	19.6427
1997	20.3467
1998	18.9917
1999	17.3576
2000	17.7662
2001	17.9607
2002	17.3601
2003	17.9143
2004	16.703
2005	16.5497
2006	15.4407
2007	14.6252
2008	15.3298
2009	15.6934
2010	15.6652
2011	16.0445
2012	15.3022
2013	15.6409
2014	15.8512
2015	15.354