Year	Per 100 People
1999	0.00288
2000	0.24291
2001	0.95502
2002	2.49521
2003	4.78711
2004	7.96305
2005	11.03039
2006	13.43107
2007	14.36531
2008	15.3531
2009	17.93355
2010	19.96456
2011	21.11027
2012	22.59326
2013	24.34874
2014	27.29186
2015	30.15977
2016	32.54646
2017	34.60037