Year	per Person
1980	19.7657
1981	24.06914
1982	26.5807
1983	22.26762
1984	22.5466
1985	21.32588
1986	24.52547
1987	24.38427
1988	26.31782
1989	25.18791
1990	25.2727
1991	25.482
1992	25.12089
1993	25.12539
1994	29.12091
1995	28.66576
1996	28.50101
1997	29.82506
1998	34.88733
1999	34.29141
2000	35.36872
2001	35.08586
2002	32.0262
2003	25.9643
2004	26.5936
2005	25.05947
2006	23.30062
2007	22.32888
2008	27.09275
2009	25.48295
2010	23.62389
2011	23.49948
2012	23.44073
2013	23.31689
2014	23.13749
2015	22.83654
2016	22.52768