Year	constant 2011 PPP $
1991	15482.9912109375
1992	14694.0341796875
1993	14802.546875
1994	15909.716796875
1995	16181.6513671875
1996	15834.8037109375
1997	16072.404296875
1998	15490.064453125
1999	15196.767578125
2000	15680.3037109375
2001	14762.890625
2002	14880.9970703125
2003	14891.6298828125
2004	14976.8017578125
2005	16082.212890625
2006	16200.5166015625
2007	16741.794921875
2008	17873.486328125
2009	17603.26953125
2010	18466.703125
2011	19394.51953125
2012	20182.998046875
2013	21174.013671875
2014	21467.9609375
2015	22122.896484375
2016	22932.12109375
2017	22662.013671875
2018	22867.978515625
2019	23319.3828125