Year	Per 100 People
1960	20.6915
1965	25.48721
1970	30.66595
1975	31.82397
1976	32.2924
1977	34.70608
1978	36.45352
1979	37.97513
1980	39.25288
1981	40.95972
1982	45.80923
1983	47.2701
1984	49.07305
1985	50.61609
1986	52.85551
1987	54.94299
1988	57.51247
1989	59.95903
1990	61.24897
1991	63.59114
1992	64.50703
1993	67.81442
1994	70.87895
1995	74.0111
1996	77.03934
1997	81.96936
1998	84.59952
1999	86.14644
2000	87.57575
2001	87.29537
2002	86.67389
2003	83.24341
2004	82.76339
2005	80.56349
2006	88.61258
2007	88.76287
2008	89.12959
2009	89.73143
2010	90.37463
2012	109.2135
2013	114.70265
2014	46.86288
2015	19.3539
2016	33.00198
2017	35.66969