Year	Per 100,000 People
1981	8.9983
1982	8.1701
1985	6.3711
1986	3.4283
1987	4.9822
1988	5.8831
1989	8.7158
1990	16.7764
1991	11.1826
1992	14.4601
1993	16.0637
1994	17.7633
1995	15.5466
1996	13.6405
1997	10.767
1998	8.9395
1999	8.626
2000	9.1724
2001	7.8813
2002	7.5565
2003	7.068
2004	7.2367
2005	8.2954
2006	7.1585
2007	6.3901
2008	5.9068
2009	6.7218
2010	6.6324
2011	6.1863
2012	4.7889
2013	4.0168
2014	3.7755
2015	3.7388