Year	Per 100 People
2002	0.01208
2005	0.02558
2006	0.04583
2007	0.16735
2008	0.68012
2009	1.12052
2010	5.26208
2011	10.64759
2012	14.78258
2013	18.24319
2014	19.97176
2015	19.75003
2016	18.54594
2017	18.36884