Year	constant 2011 PPP $
1991	23389.552734375
1992	23724.162109375
1993	24298.587890625
1994	24107.884765625
1995	25216.470703125
1996	25422.998046875
1997	26212.0703125
1998	26755.84765625
1999	26681.49609375
2000	27747.8359375
2001	28301.15234375
2002	28685.134765625
2003	28758.837890625
2004	28566.638671875
2005	29039.083984375
2006	29791.6171875
2007	29901.33984375
2008	31304.177734375
2009	31835.08984375
2010	32345.998046875
2011	33505.88671875
2012	33601.37109375
2013	33594.90234375
2014	33926.1796875
2015	35916.63671875
2016	36804.046875
2017	37439.05078125
2018	38285.47265625
2019	39313.47265625