Year	constant 2021 international $
1995	17526.96329867792
1996	18843.54833397906
1997	20103.913806379092
1998	20568.275343321613
1999	20073.687699118578
2000	20929.109891617863
2001	22370.437647661754
2002	23741.420229934465
2003	24671.255034302023
2004	26090.6892420236
2005	26991.646183982975
2006	28295.807331025473
2007	29819.38880712232
2008	30115.76648553558
2009	27842.14445268006
2010	27646.17443850891
2011	27785.125735451693
2012	27206.451462489513
2013	27607.033791365033
2014	27747.84946995262
2015	29268.05929919554
2016	29849.694146704387
2017	31681.79583029263
2018	32839.162207480935
2019	34258.842976553155
2020	32197.817102292836
2021	37240.014361111935
2022	40187.84434574955
2023	41379.890265329144