Year	Per 100,000 People
1981	6.7596
1982	6.885
1985	6.2115
1986	4.9993
1987	3.8006
1988	5.1144
1989	4.8684
1990	5.3274
1991	5.4749
1992	6.515
1993	6.9676
1994	6.9603
1995	7.144
1996	6.827
1997	5.7805
1998	5.1285
1999	5.1903
2000	5.8038
2001	5.8931
2002	5.8012
2003	5.4684
2004	4.2857
2005	4.9009
2006	3.7209
2007	4.1753
2008	3.5053
2009	3.607
2010	3.4417
2011	2.4932
2012	3.1617
2013	2.664
2014	2.1852
2015	2.6237
2016	1.711