Year	current international $
2000	182.40554528369867
2001	195.05023735447392
2002	204.891237278549
2003	220.04118577429716
2004	235.1071494874193
2005	254.0759569483133
2006	277.81566209319413
2007	300.17628663219693
2008	326.9671205791155
2009	359.67821266900967
2010	369.3397966903114
2011	390.90809982946723
2012	418.741160515989
2013	449.63720706618517
2014	466.7262300830391
2015	482.4454989338479
2016	501.34856265220355
2017	518.9482701183393
2018	547.3983765170898
2019	579.5815764213236
2020	618.8243327419702
2021	672.247849430209