Year	per Person
1970	0.11681
1971	0.27513
1972	0.36121
1973	0.38846
1974	0.39188
1975	0.39645
1976	0.39185
1977	0.38566
1978	0.23378
1979	0.21744
1980	0.11176
1981	0.11676
1982	0.15355
1983	0.1684
1984	0.18814
1985	0.19496
1986	0.18002
1987	0.21202
1988	0.22204
1989	0.27166
1990	0.4189
1991	0.48494
1992	0.50545
1993	0.26673
1994	0.41852
1995	0.50131
1996	0.57993
1997	0.59838
1998	0.66317
1999	0.77593
2000	0.81174
2001	0.88911
2002	1.04349
2003	1.08133
2004	1.24612
2005	1.30728
2006	1.40844
2007	1.56113
2008	1.61643
2009	1.75525
2010	1.839
2011	1.90578
2012	1.95596
2013	1.93852
2014	2.13312
2015	2.14767
2016	2.26963