Year	constant 2011 PPP $
1991	14987.5576171875
1992	14749.45703125
1993	14566.8974609375
1994	14479.7607421875
1995	14876.611328125
1996	15082.5908203125
1997	17644.01171875
1998	20944.650390625
1999	23415.09765625
2000	20049.23046875
2001	22730.58984375
2002	24079.869140625
2003	22480.8125
2004	24175.123046875
2005	24741.7734375
2006	22581.748046875
2007	20603.8671875
2008	19848.04296875
2009	22017.77734375
2010	21861.70703125
2011	20935.970703125
2012	23403.890625
2013	21728.94921875
2014	20691.673828125
2015	22151.703125
2016	22529.458984375
2017	21417.52734375
2018	22144.28125
2019	22003.642578125