Year	current international $
2000	78.605385189156
2001	87.1567799540119
2002	96.9446178727308
2003	105.397586078057
2004	111.308023761461
2005	121.928059405016
2006	129.027790711991
2007	128.370740743342
2008	138.962304288385
2009	155.681978612179
2010	157.116073884207
2011	176.985331403427
2012	198.433250054229
2013	212.818656737527
2014	216.939033971636
2015	222.306307793897
2016	238.521323930989
2017	256.588997834265
2018	282.316031844437
2019	312.080217657726
2020	335.210674765568
2021	355.18356939174