Year	constant 2011 PPP $
1991	9524.3974609375
1992	9332.501953125
1993	9203.333984375
1994	6297.23681640625
1995	6171.35986328125
1996	5948.9638671875
1997	6080.69287109375
1998	5794.3828125
1999	5657.18994140625
2000	5606.85498046875
2001	5871.5390625
2002	6278.7841796875
2003	6732.34814453125
2004	7197.86279296875
2005	7821.61279296875
2006	8423.1767578125
2007	8712.0361328125
2008	9580.8974609375
2009	9553.576171875
2010	10577.6435546875
2011	11031.7177734375
2012	11224.265625
2013	11993.0849609375
2014	12445.560546875
2015	11591.9775390625
2016	12565.9326171875
2017	13288.25390625
2018	13897.7978515625
2019	14641.1484375