Year	Per 100,000 People
1981	1.2307
1982	0.9986
1985	1.7431
1986	2.6994
1987	2.9315
1988	2.9945
1989	3.9653
1990	2.8564
1991	0.9148
1992	2.5029
1994	0.5523
1995	1.9722
1996	0.9037
1997	1.1905
1999	0.2302
2000	0.0881
2001	1.0255
2004	1.8443
2006	0.4481
2007	0.7921
2009	0.7867
2010	0.4033
2011	0.2762
2012	0.1424
2013	0.2518
2014	4.003
2015	4.2053