Year	per Person
1970	0.02788
1971	0.0324
1972	0.03034
1973	0.02893
1974	0.02899
1975	0.03487
1976	0.03683
1977	0.03561
1978	0.03626
1979	0.03267
1980	0.03422
1981	0.03833
1982	0.03929
1983	0.02529
1984	0.03335
1985	0.02543
1986	0.02635
1987	0.02562
1988	0.02363
1989	0.01961
1990	0.01837
1991	0.01687
1992	0.01491
1993	0.0154
1994	0.01579
1995	0.01502
1996	0.01497
1997	0.00874
1998	0.0146
1999	0.01448
2000	0.012
2001	0.01268
2002	0.01496
2003	0.01748
2004	0.02838
2005	0.04945
2006	0.05716
2007	0.08511
2008	0.10876
2009	0.11011
2010	0.22177
2011	0.34355
2012	0.35389
2013	0.359
2014	0.37555
2015	0.35839
2016	0.39658