Year	Per 100,000 People
1981	4.696
1982	4.1356
1985	3.9925
1986	3.3749
1987	4.2383
1988	2.4433
1989	4.2371
1990	4.2503
1991	3.4343
1992	4.2033
1993	4.1965
1994	4.8635
1995	5.6939
1996	4.0755
1997	3.5143
1998	2.7215
1999	2.6385
2000	2.638
2001	2.5954
2002	3.9308
2003	3.3417
2008	2.6923
2012	3.9117
2013	2.8086
2014	2.5188
2015	3.3899
2016	3.3265