Year	per Person
1965	2.37554
1966	2.667
1967	6.2204
1968	8.20149
1969	8.69561
1970	9.18969
1971	9.63055
1972	10.28016
1973	12.16258
1974	16.02335
1975	17.4153
1976	17.06013
1977	16.59904
1978	15.25768
1979	13.77027
1980	12.19899
1981	10.2356
1982	10.16098
1983	9.99856
1984	10.80335
1985	10.39171
1986	9.72419
1987	8.81438
1988	9.86402
1989	11.03686
1990	14.17016
1991	15.03543
1992	14.38474
1993	14.75806
1994	15.90402
1995	16.34785
1996	16.38249
1997	15.92718
1998	14.38495
1999	14.13673
2000	11.22472
2001	10.36396
2002	9.87478
2003	10.30083
2004	10.01976
2005	9.61995
2006	8.36076
2007	8.23332
2008	7.80716
2009	7.58404
2010	7.58013
2011	7.38495
2012	7.2102
2013	6.37439
2014	6.17578
2015	5.93988
2016	5.74203