Year	constant 2021 international $
1990	8244.600753442977
1991	7956.997438620145
1992	8118.000467322191
1993	8077.8284448877985
1994	8064.307945637642
1995	8115.349049138151
1996	8451.01004552166
1997	8616.504408750909
1998	8978.045197757607
1999	9208.842046682847
2000	9597.89347928471
2001	9687.149954985818
2002	9815.691985975176
2003	9817.195490157017
2004	10375.817911280468
2005	10607.299777179362
2006	10977.691638188506
2007	11432.086314346267
2008	11669.815829697643
2009	11761.79803986642
2010	12137.965784507089
2011	12020.105597056585
2012	12083.321905150873
2013	11922.318115228385
2014	11959.13027153891
2015	11983.361332229078
2016	12452.409682767204
2017	12616.263237543568
2018	12665.879400796106
2019	12667.324018270774
2020	12132.040234223143
2021	12573.375923687045
2022	12983.601135392166
2023	13176.131520688754