Year	per Person
1980	0.44304
1981	0.51871
1982	0.5179
1983	0.55666
1984	0.56291
1985	0.55267
1986	0.60925
1987	0.60823
1988	0.6471
1989	0.72442
1990	0.72403
1991	0.73982
1992	0.73012
1993	0.69931
1994	0.67056
1995	0.63353
1996	0.58962
1997	0.62465
1998	0.59774
1999	0.56369
2000	0.64938
2001	0.64085
2002	0.61996
2003	0.69366
2004	0.73766
2005	0.86608
2006	0.83263
2007	0.80488
2008	0.81945
2009	0.82664
2010	0.83977
2011	0.92227
2012	0.94784
2013	0.95366
2014	0.99268
2015	0.86071
2016	0.83409