Year	constant 2021 international $
1995	39109.94245345395
1996	40186.369295224016
1997	43073.8451288751
1998	45606.77998182605
1999	47578.36776926662
2000	49646.483014729805
2001	51175.69790083995
2002	51745.36056161719
2003	51589.06268351842
2004	53749.650757274656
2005	54307.50686672608
2006	55883.53294350429
2007	58086.89601760558
2008	57576.026404340344
2009	53337.47587574218
2010	54531.42609644529
2011	54767.656407733164
2012	53588.015547949464
2013	53033.98224370176
2014	53205.33543757624
2015	53928.238026798645
2016	54961.632450148485
2017	56251.59039770729
2018	57166.75970522769
2019	57744.7399079792
2020	57260.994510290744
2021	58691.94152844285
2022	58411.5244747049
2023	57067.63692646092