Year	constant 2021 international $
1990	28729.24460199602
1991	28219.057526560282
1992	27285.574256360585
1993	26614.87333588387
1994	26275.729071892896
1995	26594.507757354007
1996	26886.87165552812
1997	27596.88388207202
1998	28098.652655141545
1999	28877.74670616999
2000	30236.48206212982
2001	30974.475953437584
2002	31570.513155106022
2003	32292.345406634493
2004	33475.24930678291
2005	34460.77671850169
2006	35936.70605968893
2007	37406.05474210235
2008	37877.37790972872
2009	35894.31242294093
2010	36788.05505614689
2011	37726.91995499796
2012	37862.549633894305
2013	38092.57414272759
2014	38544.14244181726
2015	38971.615474635604
2016	39490.12303450155
2017	40526.30256395752
2018	41345.56345447386
2019	42028.19153701584
2020	39873.69535610691
2021	42412.40386035862
2022	43538.862030129414
2023	44035.59088454026
