Year	per Person
1980	23.70645
1981	27.05368
1982	26.45362
1983	26.45541
1984	25.79552
1985	25.21047
1986	24.4685
1987	23.68979
1988	22.784
1989	22.1511
1990	21.35128
1991	20.76569
1992	20.09157
1993	19.59924
1994	18.87727
1995	18.33579
1996	17.02418
1997	16.62491
1998	7.75034
1999	7.72578
2000	7.38795
2001	6.95955
2002	3.65673
2003	3.58669
2004	3.52444
2005	3.3852
2006	3.17155
2007	3.00171
2008	2.84264
2009	2.64019
2010	2.71414
2011	2.72494
2012	2.68142
2013	2.55246
2014	2.3485
2015	1.74294
2016	1.7204