Year	per Person
1985	3.79314
1986	3.89677
1987	3.92605
1988	3.8948
1989	3.75947
1990	3.49604
1991	3.12046
1992	2.68888
1993	2.39087
1994	2.13986
1995	2.09557
1996	2.0454
1997	2.08042
1998	2.06499
1999	2.0744
2000	2.23141
2001	2.41196
2002	2.64272
2003	2.9445
2004	3.21636
2005	3.3062
2006	3.3885
2007	3.47041
2008	3.45037
2009	3.50011
2010	3.57524
2011	3.62164
2012	3.66872
2013	3.69875
2014	3.71539
2015	3.75806
2016	3.85046