Year	Per 100 People
1979	11.17885
1980	11.38952
1981	11.61999
1982	11.8739
1983	12.2574
1984	12.58481
1985	12.89598
1986	13.36551
1987	13.91432
1988	14.4753
1989	15.06823
1990	15.70076
1991	16.50178
1992	17.56575
1993	19.03947
1994	21.02017
1995	23.59576
1996	27.21797
1997	31.72359
1998	36.24252
1999	36.92896
2000	37.62686
2001	37.589
2002	35.84971
2003	35.41553
2004	33.47482
2005	31.36367
2006	28.03945
2007	23.20044
2008	23.77183
2009	24.09549
2010	22.46902
2011	20.85306
2012	20.00046
2013	18.88719
2014	18.88848
2015	17.98035
2016	16.57336
2017	15.22495