Year	Per 100,000 People
1981	7.0988
1982	9.0073
1985	7.2428
1986	7.477
1987	6.1151
1988	7.7281
1989	8.2151
1990	7.9033
1991	10.1174
1992	7.8248
1993	12.2208
1994	11.8494
1995	10.2971
1996	12.0192
1997	11.006
1998	0.1174
1999	5.2248
2000	0.139
2001	5.1839
2002	4.0852
2003	4.0428
2004	2.3359
2005	6.1882
2006	5.9848
2007	6.1782
2008	3.7862
2009	2.5658
2010	1.6833
2011	2.8597
2012	2.6782
2013	2.1306
2014	3.9719
2015	1.681
2016	1.4674