Year	constant 2021 international $
1990	39155.361033391986
1991	36649.82927810835
1992	35243.74646419444
1993	34841.443305277484
1994	36066.428479628
1995	37444.12142894606
1996	38690.13797810632
1997	41018.53089373666
1998	43142.30285463979
1999	44927.34787859587
2000	47422.611815112105
2001	48549.68362835307
2002	49258.95985257844
2003	50126.33061690266
2004	51976.286857916464
2005	53238.629337405706
2006	55170.62797079008
2007	57847.67967637925
2008	58030.412615745285
2009	53090.26705853702
2010	54531.650148437155
2011	55662.30737286908
2012	54623.876279073724
2013	53882.51250283121
2014	53464.325806246976
2015	53578.22054923997
2016	54926.45211936952
2017	56547.074321131055
2018	57115.742332222726
2019	57751.594238310485
2020	56310.62094632411
2021	57788.9034581748
2022	58401.61921595248
2023	57505.50870115088