Year	Per 100 People
1998	0.16991
1999	1.31418
2000	6.66976
2001	10.65758
2002	15.37091
2003	18.69447
2004	22.3112
2005	24.2993
2006	26.18282
2007	27.52718
2008	27.88753
2009	29.40418
2010	30.85617
2011	32.53694
2012	31.73251
2013	31.26811
2014	31.70832
2015	32.40312
2016	35.95898
2017	35.92388