Year	per Person
1980	5.01592
1981	5.14842
1982	5.59201
1983	6.77259
1984	9.46485
1985	10.8112
1986	12.10496
1987	12.40502
1988	13.16873
1989	12.89002
1990	14.20461
1991	8.96997
1992	8.72362
1993	8.58133
1994	8.44568
1995	8.91054
1996	9.22893
1997	9.54905
1998	9.54182
1999	11.30325
2000	11.41058
2001	10.92135
2002	10.5803
2003	10.4346
2004	11.14462
2005	9.83712
2006	10.30638
2007	11.59586
2008	12.13723
2009	11.54234
2010	11.0034
2011	10.86084
2012	10.58267
2013	10.26761
2014	10.01485
2015	9.67346
2016	9.87908