Year	constant 2021 international $
1995	16058.80431247443
1996	16972.56844877617
1997	17250.616345707334
1998	17748.237914442867
1999	18022.69142091244
2000	18795.71198541274
2001	19595.88560327512
2002	20520.361741128392
2003	21250.242042112655
2004	22364.972914714184
2005	23618.66724702198
2006	24958.964445072346
2007	26499.479463636322
2008	27960.962691378507
2009	27219.991700057355
2010	27452.016563270234
2011	28306.13711059827
2012	28646.408462611995
2013	29034.705783473797
2014	30114.270970017238
2015	31302.141026642283
2016	32313.22748258509
2017	34022.73023610802
2018	35714.759351106826
2019	37240.96286784512
2020	36322.956351672714
2021	38533.67692235515
2022	40258.29951318846
2023	40596.07398740352