Year	per Person
1970	0.12194
1971	0.17861
1972	0.25231
1973	0.31587
1974	0.35573
1975	0.37734
1976	0.44024
1977	0.49731
1978	0.52952
1979	0.60263
1980	0.68366
1981	0.73154
1982	0.70387
1983	0.75373
1984	0.70736
1985	0.74369
1986	0.7985
1987	0.80197
1988	0.80696
1989	0.91125
1990	1.03806
1991	1.09073
1992	1.17649
1993	1.20741
1994	1.36075
1995	1.40949
1996	1.40502
1997	1.39033
1998	1.40525
1999	1.41062
2000	1.41761
2001	1.46804
2002	1.46879
2003	1.4852
2004	1.56153
2005	1.63838
2006	1.71569
2007	1.77198
2008	1.7043
2009	1.90128
2010	2.05054
2011	2.12889
2012	2.24338
2013	2.29483
2014	2.43957
2015	2.74631
2016	3.40046