Year	per Person
1965	2.09718
1966	2.6095
1967	2.92612
1968	3.12157
1969	3.16619
1970	3.31326
1971	2.47986
1972	3.25796
1973	3.21986
1974	2.91467
1975	2.73827
1976	2.94365
1977	3.05559
1978	3.17022
1979	3.06757
1980	2.67612
1981	2.34811
1982	2.27681
1983	2.16061
1984	2.25963
1985	2.2156
1986	2.22862
1987	2.20082
1988	2.17836
1989	2.16394
1990	2.21813
1991	2.17215
1992	2.08343
1993	2.0395
1994	1.98778
1995	1.95805
1996	2.01765
1997	2.01848
1998	2.03651
1999	2.07797
2000	2.14173
2001	2.08124
2002	2.21578
2003	2.43816
2004	2.54487
2005	2.59664
2006	2.55202
2007	2.52134
2008	2.45606
2009	2.17771
2010	2.04263
2011	1.94666
2012	1.78918
2013	1.68979
2014	1.75825
2015	1.68604
2016	1.68662