Year	per Person
1965	3.83336
1966	4.17137
1967	4.95894
1968	5.2817
1969	6.09611
1970	6.75422
1971	7.80977
1972	8.43611
1973	9.5579
1974	9.53894
1975	8.23298
1976	8.8023
1977	8.20523
1978	7.3617
1979	4.30815
1980	1.9178
1981	1.64505
1982	2.86725
1983	2.81429
1984	2.25444
1985	2.33088
1986	2.08499
1987	2.27999
1988	2.21156
1989	2.62591
1990	2.89527
1991	3.0391
1992	3.01541
1993	3.12402
1994	3.09719
1995	3.06163
1996	3.0307
1997	2.98132
1998	2.98573
1999	2.73767
2000	2.89875
2001	2.82906
2002	2.6352
2003	2.93725
2004	3.00041
2005	2.95207
2006	2.95797
2007	2.96164
2008	2.95955
2009	2.81486
2010	2.83904
2011	2.8174
2012	2.36326
2013	2.19228
2014	2.22213
2015	2.28842
2016	2.69603