Year	Per 100 People
1979	9.09277
1980	10.22664
1981	12.84998
1982	12.65638
1983	15.10878
1984	15.60957
1985	16.71255
1986	17.83233
1987	19.47442
1988	21.10432
1989	22.41093
1990	24.60504
1991	25.15696
1992	26.96637
1993	28.10702
1994	29.35711
1995	30.5867
1996	31.92836
1997	32.64934
1998	33.89208
1999	35.12379
2000	36.03229
2001	36.40355
2002	36.50864
2003	36.10398
2004	35.21512
2005	32.40628
2006	31.46802
2007	30.40003
2008	29.15681
2009	29.57866
2010	29.2286
2011	30.89679
2012	29.17638
2013	26.73254
2014	25.15837
2015	23.05682
2016	20.73864
2017	18.38243