Year	per Person
1985	1.43514
1986	1.45736
1987	1.48766
1988	1.52696
1989	1.54177
1990	1.55983
1991	1.60822
1992	1.56543
1993	1.40501
1994	1.25247
1995	1.28675
1996	1.45133
1997	1.65444
1998	1.69024
1999	1.9868
2000	2.3455
2001	2.66563
2002	3.12936
2003	3.37755
2004	3.86724
2005	3.95671
2006	4.14675
2007	4.24086
2008	4.42011
2009	4.72653
2010	4.85933
2011	4.80941
2012	4.68519
2013	4.78333
2014	4.63804
2015	4.51693
2016	4.40667