Year	constant 2021 PPP $
1991	13253.02088587673
1992	12553.032550796735
1993	11608.63877896586
1994	10310.963838085248
1995	9781.313367604507
1996	9663.616710787705
1997	9813.50202553412
1998	10052.157370819008
1999	10123.478673604826
2000	10429.950440915838
2001	10710.009603852966
2002	10951.61456716564
2003	10855.251295479806
2004	11901.605006067623
2005	12239.7329536197
2006	12746.444943314571
2007	13291.116298908406
2008	13667.728968510917
2009	13408.081940815733
2010	14006.993537651393
2011	14054.263621080469
2012	14457.093026358838
2013	14574.519323731605
2014	14394.588318998378
2015	14230.682110557073
2016	14374.176913838535
2017	14452.776628910864
2018	14524.68745403903
2019	14642.690609502451
2020	13791.793886657624
2021	13896.48704417174
2022	12171.54698453766
2023	11975.70872280561