Year	constant 2011 PPP $
1991	21727.9375
1992	23043.068359375
1993	23653.60546875
1994	23824.43359375
1995	23934.189453125
1996	24546.798828125
1997	24075.55078125
1998	24254.470703125
1999	24770.84375
2000	25276.365234375
2001	24760.310546875
2002	25168.30078125
2003	25620.845703125
2004	26517.341796875
2005	26007.16796875
2006	27160.88671875
2007	28005.732421875
2008	28952.876953125
2009	29280.619140625
2010	30156.642578125
2011	32701.994140625
2012	31607.279296875
2013	31653.3046875
2014	32511.728515625
2015	33752.4921875
2016	35990.97265625
2017	35942.53515625
2018	36698.68359375
2019	37608.67578125