Year	constant 2021 international $
1990	6129.988294576368
1991	5321.372551473314
1992	3134.3602582113613
1993	2955.4425290313015
1994	3192.259790617757
1995	3464.8322403599213
1996	3694.6152564291433
1997	3849.3819348780876
1998	4169.730994949526
1999	4353.710069575096
2000	4665.156123330238
2001	5170.764632363354
2002	5906.269336179113
2003	6778.851897893809
2004	7535.483583543717
2005	8635.020344318746
2006	9841.892981811397
2007	11272.520424144035
2008	12135.032258327632
2009	10491.246067976837
2010	10787.569412472347
2011	11361.36220923903
2012	12240.205707973308
2013	12700.942920055528
2014	13210.332770755866
2015	13686.746126943854
2016	13775.181113063367
2017	14880.556339771674
2018	15739.146903696772
2019	17031.11830724758
2020	15889.343736596473
2021	16899.07091816764
2022	19100.245630794183
2023	20780.644004217116