Year	current international $
2000	580.627440363109
2001	572.951093302826
2002	450.55518440572
2003	462.844725103047
2004	455.404384501936
2005	528.84373014567
2006	598.697857516061
2007	702.505615286231
2008	781.64370159108
2009	921.331605118518
2010	998.232994181739
2011	1090.87503089864
2012	1198.67563958967
2013	1246.80010833149
2014	1240.95782570917
2015	1368.08587982938
2016	1306.48347986805
2017	1556.04004405424
2018	1407.15423226756
2019	1421.0499408431
2020	1399.58322186811
2021	1468.34655760935