Year	Per 100 People
1983	5.17136
1984	5.55634
1985	7.02164
1986	10.36046
1987	12.74455
1988	17.19249
1989	19.88887
1990	23.7841
1991	24.79214
1992	27.87408
1993	29.23099
1994	32.08647
1995	33.59679
1996	36.06852
1997	39.18487
1998	41.44685
1999	44.75058
2000	48.28757
2001	48.92368
2002	50.38485
2003	49.67657
2004	42.42146
2005	41.7601
2006	41.96302
2007	41.07828
2008	40.53087
2009	40.28613
2010	38.48771
2011	38.07253
2012	38.02932
2013	36.11127
2014	36.10041
2015	36.37636
2016	31.79986
2017	31.24582