Year	constant 2011 PPP $
1991	4004.05810546875
1992	3902.07690429688
1993	4019.95703125
1994	4688.52880859375
1995	5903.6181640625
1996	11452.857421875
1997	15715.5498046875
1998	18385.009765625
1999	20549.279296875
2000	21874.849609375
2001	23068.80859375
2002	24536.1015625
2003	25646.373046875
2004	27367.1875
2005	29733.57421875
2006	31512.837890625
2007	32302.83984375
2008	31674.873046875
2009	31100.197265625
2010	32937.2109375
2011	33792.12890625
2012	34189.3203125
2013	35231.33984375
2014	36199.76171875
2015	37802.22265625
2016	37928.08203125
2017	36562.7578125
2018	37964.75
2019	39423.4453125