Year	constant 2021 international $
1990	24852.160596057696
1991	25667.133923298203
1992	24215.81224621412
1993	24511.281956253708
1994	24765.319894721106
1995	25340.139785344014
1996	25605.185722488903
1997	26404.301157816302
1998	26644.497759958424
1999	23659.5374776838
2000	22627.345922475797
2001	22515.215075967306
2002	21871.49242668834
2003	21767.566777115513
2004	21318.92624040004
2005	21270.418346601793
2006	20065.558596522358
2007	20622.735679411082
2008	19314.7567997628
2009	18713.44206756466
2010	19366.03483732233
2011	20021.064017490342
2012	20335.76610223853
2013	20742.489405071436
2014	20926.531935497907
2015	21077.460914083345
2016	20923.247539351476
2017	20491.639283619177
2018	20175.069648357327
2019	20491.457293619456
2020	19678.036881334745
2021	19552.362533464315
2022	19729.694168420225
2023	19782.28178027763