Year	constant 2021 international $
1990	9675.69932894176
1991	9723.348951633621
1992	9959.255112130719
1993	10382.782024187642
1994	10880.788884066917
1995	11242.922369729606
1996	11221.792143293853
1997	11393.886800226383
1998	11316.953617486934
1999	10675.720048827861
2000	10752.342352315247
2001	10733.054907437978
2002	10811.613283139282
2003	10991.904045462266
2004	11403.588265985434
2005	11899.379335352722
2006	12520.516691316867
2007	13140.19675269664
2008	13350.110461891374
2009	13416.902448773228
2010	13780.656321070172
2011	14448.388532484292
2012	14921.177209386646
2013	15593.753579390868
2014	16253.912218366193
2015	16856.339577519877
2016	17060.403835411616
2017	16924.748981920027
2018	16894.489835589895
2019	17170.04422945216
2020	15910.608972780443
2021	17310.30641144815
2022	18321.46972371102
2023	18665.949670105616