Year	constant 2011 PPP $
1991	12110.029296875
1992	12415.7490234375
1993	12944.4111328125
1994	13593.7666015625
1995	14364.70703125
1996	15146.4306640625
1997	15492.1318359375
1998	13077.62109375
1999	12844.8720703125
2000	13263.2666015625
2001	13691.8466796875
2002	14416.1123046875
2003	14980.6328125
2004	15541.0986328125
2005	16585.15234375
2006	17090.94921875
2007	17366.70703125
2008	17855.365234375
2009	18177.869140625
2010	18778.9765625
2011	19465.04296875
2012	20011.111328125
2013	20967.40234375
2014	21679.181640625
2015	22589.064453125
2016	23440.966796875
2017	23933.1953125
2018	24848.96875
2019	25804.927734375