Year	Per 100 People
1965	0.29459
1970	0.34659
1975	0.39298
1976	0.40724
1977	0.42951
1978	0.43294
1979	0.445
1980	0.45424
1981	0.47451
1982	0.50172
1983	0.52469
1984	0.56026
1985	0.60231
1986	0.63524
1987	0.65109
1988	0.69481
1989	0.71972
1990	0.748
1991	0.82714
1992	0.83097
1993	0.83388
1994	0.86077
1995	0.93772
1996	0.94778
1997	0.93878
1998	0.96827
1999	0.9477
2000	0.92751
2001	0.95719
2002	0.96791
2003	0.96206
2004	0.85319
2005	0.7954
2006	0.79176
2007	1.21768
2008	1.65104
2009	1.65046
2010	0.92079
2011	0.66737
2012	0.57637
2013	0.45587
2014	0.39108
2015	0.181
2016	0.15022
2017	0.14057