Year	Per 100 People
1998	0.26799
1999	0.78566
2000	1.76292
2001	3.75736
2002	6.53562
2003	9.81575
2004	12.47586
2005	14.61131
2006	17.08406
2007	19.56671
2008	22.08155
2009	24.84132
2010	26.3763
2011	27.20625
2012	27.18291
2013	27.85759
2014	27.0541
2015	26.84968
2016	25.98687
2017	25.75653