Year	Per 100,000 People
1981	1.131
1982	0.7626
1985	0.7446
1986	0.7618
1987	1.014
1988	1.4394
1989	1.1453
1990	1.0873
1991	0.4614
1992	0.0394
1996	0.1487
1997	0.4273
1998	0.7304
1999	0.7473
2000	0.8081
2001	1.1166
2004	0.4234
2005	0.4851
2006	0.1639
2007	0.2303
2009	0.2333
2010	0.1677
2011	0.1346
2012	0.3295
2013	0.3807
2014	1.1044
2015	0.3579