Year	constant 2021 international $
1990	3375.688199268809
1991	3300.7963710575664
1992	3199.2422507670844
1993	3086.285577785859
1994	3035.677045797742
1995	3063.395543480012
1996	3138.7355187072176
1997	3188.260371276093
1998	3189.766551271609
1999	3180.607541041932
2000	3204.2524594520305
2001	3253.927325008041
2002	3359.002336152125
2003	3403.371843149617
2004	3532.2137230156
2005	3648.058648153401
2006	3768.097236475908
2007	3892.9987194462256
2008	3987.6036718710434
2009	3998.608928327517
2010	4122.921543225063
2011	4194.1182127611255
2012	4243.164475791357
2013	4335.80368511627
2014	4429.3467690737925
2015	4444.082873298758
2016	4397.705043496444
2017	4401.216564375202
2018	4412.121170273841
2019	4419.048948877713
2020	4228.286596429303
2021	4299.437185980374
2022	4350.221446115352
2023	4371.904407151629