Year	constant 2021 international $
1995	11290.405526807874
1996	11576.957144234524
1997	11872.490903774968
1998	12112.078021568488
1999	12381.524658439366
2000	12731.215469538047
2001	12875.429856888655
2002	13017.854757271249
2003	13277.459425212655
2004	13724.871021340667
2005	14116.636982846914
2006	14661.189558163673
2007	15166.734775719779
2008	15245.358616435118
2009	15087.559825548913
2010	15640.478133862185
2011	16159.393128501084
2012	16457.947440338976
2013	16753.129824751704
2014	17155.010898654404
2015	17530.035824879153
2016	17972.197165995214
2017	18468.463860376665
2018	18909.36605444947
2019	19271.920970725696
2020	18568.50232895139
2021	19605.42028251008
2022	19995.160042213927