Year	constant 2021 international $
1990	12077.525256856994
1991	12327.256442891401
1992	12492.231322454947
1993	12866.584432123522
1994	13251.489954552051
1995	13201.347021598358
1996	13509.96899304079
1997	14028.633198191486
1998	14191.842297483527
1999	13992.35508489167
2000	14272.258967003507
2001	14108.166791559946
2002	13953.108606889013
2003	14099.412485743233
2004	14542.680617777643
2005	14907.818839768608
2006	15619.596994872161
2007	16284.193941865691
2008	16715.672976846778
2009	16158.998015314892
2010	16971.90727412572
2011	17535.367244217192
2012	17819.392237677857
2013	18199.859922072734
2014	18276.230141656797
2015	18231.85124033469
2016	17977.711096024897
2017	18128.16801112174
2018	18166.38779868483
2019	18151.75628497219
2020	16873.11977466337
2021	17882.926116057013
2022	18517.09975040202
2023	18769.114648025297