Year	Per 100 People
1960	0.62779
1965	0.72602
1970	0.90902
1975	1.14994
1976	1.23318
1977	1.32882
1978	1.44015
1979	1.61155
1980	1.75875
1981	1.85546
1982	2.05763
1983	2.19344
1984	2.36815
1985	2.58591
1986	2.88506
1987	2.95964
1988	3.16187
1989	3.44668
1990	3.67841
1991	3.94345
1992	4.35706
1993	4.79644
1994	5.29501
1995	5.72464
1996	6.31184
1997	6.97178
1998	7.91819
1999	8.85468
2000	9.84753
2001	10.79339
2002	11.64384
2003	11.70912
2004	12.01415
2005	12.44723
2006	12.44061
2007	12.36474
2008	11.90577
2009	12.15138
2010	12.12024
2011	11.31612
2012	10.09393
2013	9.27844
2014	8.51941
2015	8.37032
2016	8.54256
2017	9.65276