Year	constant 2021 international $
1990	4321.961759006563
1991	3958.7373285654976
1992	3766.9129197102666
1993	3380.4751983037954
1994	3323.8542063633427
1995	3321.0983467657647
1996	3365.969051032099
1997	3417.536451814948
1998	3524.409654117742
1999	3598.998408705991
2000	3572.091157510622
2001	3607.0587162207285
2002	3706.2769156433133
2003	3882.6082496453655
2004	4088.2903029489116
2005	4050.168222418037
2006	4143.733918718954
2007	4168.590770506952
2008	4191.885250722987
2009	4223.280515107485
2010	4200.505461226407
2011	4219.998607579156
2012	4271.328835193917
2013	4343.419376774232
2014	4452.1518387461365
2015	4583.946082528333
2016	4636.5399036722465
2017	4657.676631310865
2018	4708.641179761175
2019	4724.442213608986
2020	4609.762820912896
2021	4664.754167435654
2022	4662.563928890638
2023	4746.265819923726