Year	current international $
2000	555.5093438295235
2001	582.0270128625813
2002	622.2483414814286
2003	655.4259607797019
2004	697.373667930755
2005	725.116964065748
2006	802.559240061383
2007	843.6002931813758
2008	891.0033201824646
2009	919.9792516647274
2010	942.9460501838029
2011	996.7194224144903
2012	1028.816835041679
2013	1060.4564717509015
2014	1087.4971168082664
2015	1102.8887581108847
2016	1137.7097080564802
2017	1188.8576846601336
2018	1239.3974241541778
2019	1333.2757800428612
2020	1297.3726818526588
2021	1399.1346933564162