Year	constant 2021 international $
1990	11907.374840638078
1991	12141.028065906416
1992	12265.866383029961
1993	12627.46463681547
1994	13009.325384589154
1995	12909.851256208543
1996	13202.5796130851
1997	13700.256065393383
1998	13847.073950870368
1999	13643.614138340035
2000	13916.351465574804
2001	13742.844707234648
2002	13586.661370394517
2003	13736.2319339308
2004	14156.898681007997
2005	14511.650914413627
2006	15247.776034265515
2007	15902.831259509996
2008	16316.291535623075
2009	15752.055394649247
2010	16562.2775943368
2011	17126.274424591356
2012	17350.4244072284
2013	17709.953296206448
2014	17783.053402348356
2015	17706.544128533107
2016	17436.76522217375
2017	17595.130768147883
2018	17582.955383634064
2019	17536.457415445133
2020	16319.828895839304
2021	17255.32865192883
2022	17849.937777045277
2023	18115.241790142423