Year	current international $
2000	160.539609588138
2001	134.078787352712
2002	101.104803460465
2003	117.997387204111
2004	122.146660788866
2005	126.287566782668
2006	150.038603104362
2007	158.421242957307
2008	158.9722402434
2009	206.823387859733
2010	230.887163132382
2011	280.215915307921
2012	329.414597866161
2013	318.122131540393
2014	392.40693945365
2015	392.559475155026
2016	409.997608116823
2017	411.761343036602
2018	429.604436581913
2019	470.750627953169
2020	580.573667008996
2021	679.320971042033