Year	per Person
1965	22.91874
1966	26.08668
1967	27.19811
1968	28.62745
1969	29.06264
1970	32.92618
1971	39.46898
1972	47.57977
1973	57.19311
1974	60.8641
1975	48.36914
1976	55.92424
1977	56.90264
1978	48.89952
1979	53.15906
1980	52.34072
1981	48.84408
1982	30.79087
1983	20.42361
1984	17.5435
1985	13.04636
1986	18.21254
1987	15.21927
1988	18.24585
1989	17.20938
1990	20.98511
1991	25.39509
1992	25.45568
1993	24.2327
1994	23.87897
1995	23.33549
1996	23.27879
1997	23.23438
1998	22.85482
1999	20.81263
2000	21.96268
2001	20.6721
2002	19.40948
2003	21.55528
2004	21.54343
2005	21.80572
2006	20.70729
2007	19.36001
2008	19.65516
2009	17.13032
2010	17.27651
2011	18.6256
2012	18.90336
2013	17.98095
2014	17.6575
2015	17.99117
2016	18.14679