Year	Per 100,000 People
1981	14.6084
1982	11.8895
1985	9.9585
1986	10.9429
1987	8.6468
1988	10.724
1989	12.2505
1990	11.2374
1991	9.9751
1992	12.1146
1993	12.4783
1994	12.2996
1995	12.8568
1996	11.1047
1997	9.3081
1998	8.5237
1999	9.1895
2000	8.9873
2001	8.2361
2002	7.3102
2003	6.7085
2004	6.2748
2005	4.9427
2006	5.0389
2007	4.1183
2008	5.6478
2009	4.4603
2010	4.0151
2011	4.1905
2012	3.913
2013	4.0587
2014	4.923
2015	3.6671