Year	Per 100 People
1965	0.22437
1970	0.27219
1975	0.31795
1976	0.32902
1977	0.33208
1978	0.34184
1979	0.34506
1980	0.34895
1981	0.33373
1982	0.32339
1983	0.31214
1984	0.30951
1985	0.30072
1986	0.29358
1987	0.29381
1988	0.29191
1989	0.30224
1990	0.30245
1991	0.30994
1992	0.30886
1993	0.30624
1994	0.30622
1995	0.37628
1996	0.4532
1997	0.59932
1998	0.73976
1999	0.86969
2000	1.12229
2001	1.25959
2002	1.3804
2003	1.42335
2004	1.49299
2005	1.49255
2006	1.61149
2007	1.65861
2008	0.61763
2009	1.1186
2010	1.13371
2011	1.13336
2012	1.10745
2013	1.02642
2014	0.96581
2015	0.99906
2016	0.8916
2017	1.04583