Year	Per 100 People
1985	14.72808
1990	21.02205
1991	22.84579
1992	24.64548
1993	26.38122
1994	28.92218
1995	30.87144
1996	33.35851
1997	35.71731
1998	36.37891
1999	38.1007
2000	39.49708
2001	40.32879
2002	40.62775
2003	40.84144
2004	49.93618
2005	51.06676
2006	51.35541
2007	49.9446
2008	48.32051
2009	46.13815
2010	44.53585
2011	42.91534
2012	40.53868
2013	38.64037
2014	37.16753
2015	36.29682
2016	35.06903
2017	34.48285