Year	current international $
2000	377.225820886423
2001	407.10399683458
2002	402.637968319827
2003	423.487098011306
2004	453.416481331011
2005	505.340384723234
2006	573.021717163849
2007	635.655106681171
2008	697.101513446341
2009	749.716578455626
2010	758.206639027353
2011	785.092382502324
2012	807.845579756417
2013	889.165935861585
2014	952.560108643699
2015	996.502149019741
2016	1052.20536497269
2017	1100.72691831969
2018	1156.11325114522
2019	1234.79408351458
2020	1316.13047505152
2021	1542.48205566304