Year	constant 2021 international $
1990	6091.913184078975
1991	5460.543539473429
1992	5154.762877110984
1993	4738.002811625344
1994	4184.920699196326
1995	3950.88196209888
1996	3890.032401378433
1997	3939.2646685507625
1998	4022.7621792508535
1999	4047.6667748552995
2000	4194.265551122107
2001	4306.496080035042
2002	4406.5470045537
2003	4368.602150161257
2004	4788.006656715228
2005	4925.317852430076
2006	5118.106360596359
2007	5327.366096165299
2008	5453.51737187862
2009	5326.677208107757
2010	5544.524538621744
2011	5553.82303545244
2012	5671.133665422555
2013	5707.339385124935
2014	5625.312903978301
2015	5567.042397682508
2016	5615.706644241853
2017	5635.0720496298445
2018	5679.582156046342
2019	5723.755810567376
2020	5291.491559485876
2021	5330.545838104003
2022	5144.503202573788
2023	5126.357801245506