Year	Per 100 People
1965	0.19064
1970	0.41542
1975	0.60803
1976	0.60189
1977	0.60533
1978	0.66239
1979	0.70954
1980	0.76932
1981	0.75193
1982	0.7219
1983	0.76708
1984	0.75822
1985	0.79062
1986	0.76338
1987	0.76114
1988	0.75579
1989	0.73689
1990	0.6999
1991	0.76588
1992	0.80397
1993	0.8454
1994	0.83882
1995	0.89182
1996	0.93174
1997	1.04923
1998	1.07609
1999	1.10069
2000	1.16354
2001	1.07782
2002	1.05861
2003	1.04621
2004	1.02988
2005	1.00907
2006	0.9505
2007	0.90526
2008	0.98489
2009	1.31163
2010	1.70467
2011	1.78833
2012	1.87058
2013	1.84384
2014	1.87086
2015	1.89398
2016	1.90476