Year	per Person
1980	52.29642
1981	52.77243
1982	52.73839
1983	50.12577
1984	52.65904
1985	48.46313
1986	44.86518
1987	42.14844
1988	44.25989
1989	40.77628
1990	42.16989
1991	37.98117
1992	38.37356
1993	33.50121
1994	70.77777
1995	65.76717
1996	75.79825
1997	74.3589
1998	76.06481
1999	73.93322
2000	69.77032
2001	64.584
2002	60.28586
2003	58.64487
2004	56.9708
2005	55.24242
2006	56.79835
2007	54.88594
2008	53.02963
2009	51.30578
2010	49.75046
2011	48.36097
2012	47.10186
2013	45.93179
2014	44.80301
2015	43.68602
2016	42.57659