Year	Per 100 People
1965	1.57898
1970	2.14123
1975	3.95557
1976	4.49779
1977	5.13046
1978	5.83501
1979	6.59039
1980	7.1555
1981	7.47587
1982	7.66122
1983	7.85035
1984	8.25615
1985	8.49649
1986	8.9769
1987	9.31372
1988	9.63843
1989	9.96006
1990	10.07192
1991	10.42574
1992	11.01284
1993	11.19539
1994	12.13711
1995	12.92377
1996	13.92523
1997	15.01361
1998	16.02541
1999	16.78029
2000	17.62104
2001	18.72259
2002	19.28757
2003	19.93456
2004	20.32313
2005	20.45166
2006	19.76095
2007	20.99247
2008	22.81341
2009	22.94117
2010	22.01528
2011	23.06218
2012	23.05261
2013	23.5198
2014	22.83112
2015	21.48252
2016	20.78058
2017	19.76696