Year	current international $
2000	28.7295856192636
2001	31.1167355786492
2002	39.1565296215752
2003	49.2528562236812
2004	57.2822215807104
2005	69.2336216818145
2006	80.9774561901599
2007	97.673820107852
2008	130.61354960328
2009	176.969543451782
2010	199.884806014133
2011	236.132968448884
2012	281.887196769898
2013	318.174031068192
2014	346.578908064614
2015	381.27359227764
2016	385.962212711385
2017	403.372873183385
2018	445.511923021081
2019	495.882505970373
2020	527.263913894233
2021	558.345195162151