Year	constant 2021 international $
1990	15082.587884984616
1991	13946.255329487783
1992	13071.64885851541
1993	12981.295849396876
1994	13262.257677323641
1995	13702.722024204011
1996	14490.542213271776
1997	12521.143829408313
1998	13082.595042835197
1999	12051.54597858437
2000	12666.784287572698
2001	13415.538161758652
2002	14514.970334818458
2003	15396.618684330106
2004	16523.251601109172
2005	17822.88833791364
2006	19180.430981790047
2007	20607.740567343895
2008	22024.96103324719
2009	21425.350063374448
2010	21902.295212654288
2011	22503.931717706506
2012	22804.149019501205
2013	22807.665156289186
2014	23155.451969067723
2015	24095.42702785101
2016	24999.434147135522
2017	25874.208234095222
2018	26764.055908086615
2019	28040.723308752797
2020	27090.707061616606
2021	29404.960509932713
2022	32510.04098852797
2023	33289.11408496087