Year	per Person
1965	7.3119
1966	8.22141
1967	9.55882
1968	10.18307
1969	8.29068
1970	7.32934
1971	6.68018
1972	7.22814
1973	8.36685
1974	9.28857
1975	10.57549
1976	10.26463
1977	10.90731
1978	10.80621
1979	9.91207
1980	9.70047
1981	8.48955
1982	7.82243
1983	6.95896
1984	7.30496
1985	7.37509
1986	7.00814
1987	6.3699
1988	6.17881
1989	6.0508
1990	6.0356
1991	5.89012
1992	5.61541
1993	5.18536
1994	5.40942
1995	5.36717
1996	5.30498
1997	5.10638
1998	5.06668
1999	5.2535
2000	5.31355
2001	5.11294
2002	5.86522
2003	6.26797
2004	5.86021
2005	6.21396
2006	6.35908
2007	5.45896
2008	5.31827
2009	5.15156
2010	4.6806
2011	4.4231
2012	3.85215
2013	3.77141
2014	3.72937
2015	3.53903
2016	3.16507