Year	current international $
2000	81.44214737383852
2001	83.79621231099347
2002	83.03756245616484
2003	110.15485921927602
2004	112.15498580067828
2005	123.10424453013707
2006	133.46645478535314
2007	136.82178050926083
2008	139.15806763221318
2009	141.276458726438
2010	136.81598548271674
2011	137.51564731144396
2012	142.1522509473108
2013	153.49448431667437
2014	156.64235535788097
2015	163.4057693535653
2016	167.1498170442126
2017	171.78753682602687
2018	168.86118610223696
2019	174.24140240502524
2020	188.1286870626966
2021	220.22125143414988