Year	constant 2021 PPP $
1991	21280.450100806636
1992	21566.125113478727
1993	23400.012140660212
1994	23587.240828356888
1995	23969.4159674202
1996	23843.330824107117
1997	23419.894568472362
1998	22750.012374713337
1999	22899.379784601282
2000	22947.834419141756
2001	23097.807018133317
2002	23353.010063712256
2003	23983.776950191597
2004	23984.49384689975
2005	23951.75727757953
2006	24405.442746619294
2007	24501.667061482047
2008	24068.353644336992
2009	23653.442054432264
2010	23675.55408214205
2011	23683.064173225972
2012	23377.918614064627
2013	22988.235596273742
2014	22419.598996654706
2015	21325.406333925872
2016	21585.972145660882
2017	21097.593794299646
2018	20951.443064507523
2019	20411.966882455123
2020	19117.079840142418
2021	19100.48030213211
2022	19952.85732113189
2023	19806.5812759014