Year	constant 2021 international $
1990	4585.775464192221
1991	4586.047896510325
1992	4662.03321992232
1993	4762.558023348667
1994	4867.493242314069
1995	4991.571491315156
1996	5199.157717274977
1997	5379.402117549798
1998	5446.9992090973665
1999	5566.433538892303
2000	5780.32192155147
2001	5902.927231037269
2002	6084.561243723012
2003	6347.721205657955
2004	6739.092499568237
2005	7114.836068741367
2006	7576.317772786136
2007	8106.170233422539
2008	8440.102796089677
2009	8632.599771451338
2010	9190.170681568588
2011	9627.819036753817
2012	10013.451575838662
2013	10421.97583192945
2014	10804.483613646747
2015	11177.493728919515
2016	11590.243207616932
2017	12061.046728372854
2018	12519.78195837982
2019	12879.60570235429
2020	12522.61935253314
2021	13311.331361753517
2022	13750.293843310872
2023	14272.438283337717