Year	constant 2021 international $
1990	6191.384905197802
1991	6248.250125748829
1992	6316.683246983292
1993	6525.920754277305
1994	6542.627614689094
1995	6529.301738195032
1996	6770.269989272101
1997	6795.366487564659
1998	6888.813339325685
1999	7176.6068043672685
2000	7339.654037551256
2001	7514.782516491008
2002	7719.01029353517
2003	7932.614548709363
2004	8196.823853653856
2005	8484.660944453632
2006	8833.248995273414
2007	9341.704875004949
2008	9627.184534644817
2009	9643.888946974743
2010	9906.742581366276
2011	12865.034522757793
2012	12487.561989987023
2013	12249.289462773853
2014	12170.95202691732
2015	11893.170552212243
2016	12445.912174601517
2017	12590.318599028229
2018	12450.39817891322
2019	12235.244313217328
2020	11673.361672663132
2021	12252.759400453642
2022	12586.932350660576