Year	Per 100 People
1998	0.4795
2000	1.63253
2001	2.91046
2002	7.26841
2003	12.27088
2004	19.68419
2005	25.05016
2006	31.5823
2007	33.36149
2008	35.03587
2009	36.86189
2010	37.93701
2011	38.8242
2012	39.63287
2013	40.33326
2014	40.56401
2015	41.49776
2016	42.28446
2017	42.32699