Year	current international $
2000	321.1658873246802
2001	335.8152340188505
2002	364.6002699282745
2003	366.68520100207763
2004	381.38302415470866
2005	399.6620789062658
2006	417.1572458635525
2007	447.71847805649526
2008	486.9825440168427
2009	532.835482343439
2010	526.9242581634741
2011	532.8920554534119
2012	561.3631889390518
2013	586.2678882622448
2014	604.5542728119309
2015	640.529641342276
2016	674.6284446195225
2017	700.6364564169131
2018	740.8519967676303
2019	833.6117675477607
2020	977.6104785625326
2021	1068.5328691837142