Year	constant 2021 international $
1990	10957.1724471431
1991	10924.680977873215
1992	11633.50532548632
1993	12153.903017083503
1994	12398.119039611387
1995	12610.605394093585
1996	12489.44639067056
1997	12880.334525821241
1998	13505.799889186083
1999	13786.398358781678
2000	14039.912793941217
2001	14264.689383095523
2002	14503.756664110337
2003	14891.554632807998
2004	15315.734310014997
2005	15692.011112632263
2006	16602.12238028463
2007	17715.75211859167
2008	18300.01963124224
2009	17896.85973714421
2010	18614.996087728716
2011	19195.13730231464
2012	19891.500887718987
2013	20153.9717858616
2014	20640.602334586838
2015	21171.721898981083
2016	21838.951549622234
2017	22525.40788534862
2018	22899.624358062785
2019	23251.200130461457
2020	22090.01157669054
2021	23700.296131391682
2022	24650.489011904807
2023	25754.786360781625