Year	per Person
1980	5.18778
1981	5.18607
1982	5.18779
1983	5.3188
1984	5.24493
1985	6.08006
1986	5.99909
1987	5.72809
1988	5.77385
1989	5.59335
1990	5.36597
1991	6.14465
1992	5.04013
1993	5.01843
1994	4.44854
1995	4.36704
1996	4.2092
1997	4.14837
1998	4.16474
1999	4.66598
2000	4.39854
2001	4.73512
2002	4.72852
2003	4.8137
2004	4.76322
2005	4.98214
2006	4.85251
2007	4.47943
2008	3.99604
2009	3.73675
2010	3.46871
2011	3.36642
2012	3.25532
2013	2.86643
2014	2.63171
2015	2.15214
2016	2.10956