Year	constant 2021 PPP $
1991	26933.394758030387
1992	24907.375598214254
1993	24290.885720196507
1994	22405.00899241524
1995	21168.713965495575
1996	23706.84249000573
1997	24151.9276080292
1998	25197.43130560465
1999	25559.46086008159
2000	26487.251732245782
2001	27227.118487262658
2002	28147.69243083636
2003	29727.036362755814
2004	32720.581376700437
2005	35378.213162261265
2006	38463.718191782085
2007	41252.567352348735
2008	44874.44977584581
2009	44426.12320099542
2010	47690.37011824134
2011	50110.78820024227
2012	50855.05592947137
2013	51313.96713533597
2014	52135.80327464451
2015	50055.64490046107
2016	48741.53377766539
2017	49942.01683001347
2018	51231.39653984586
2019	51851.88026835854
2020	51802.60187976
2021	53297.28724975086
2022	50857.012414129145
2023	53174.67634669639