Year	constant 2021 international $
1990	8210.363319793867
1991	7922.755078485339
1992	8081.612463903486
1993	8039.9170441772085
1994	8024.647276107126
1995	8075.234820168929
1996	8405.238238849703
1997	8571.854132801092
1998	8934.525322955238
1999	9165.45149502458
2000	9544.35849469885
2001	9626.812308348359
2002	9747.27447653817
2003	9752.332714803635
2004	10312.247056743205
2005	10544.99440828801
2006	10909.07335636274
2007	11358.63148712836
2008	11595.508591796473
2009	11689.125124287828
2010	12062.424398668147
2011	11949.658525735225
2012	12014.05331050566
2013	11856.134883151928
2014	11890.577437735838
2015	11915.268343296222
2016	12383.14034275074
2017	12544.45657869121
2018	12591.942840748094
2019	12591.938967320593
2020	12052.295590494365
2021	12490.474783907595
2022	12896.063366847766
2023	13079.972255957136