Year	current international $
2000	2.2042359042692983
2001	2.3947080111386265
2002	2.6068582808827983
2003	3.2313356081750544
2004	4.262169790366643
2005	4.489614252640957
2006	4.548371203404524
2007	4.771962001204576
2008	4.6924905540649435
2009	4.907662289265546
2010	4.884134629667666
2011	5.273988956142089
2012	5.448681657451252
2013	5.8661488101244785
2014	5.824998178839756
2015	5.109616216413359
2016	5.1893492333886
2017	4.823457258975162
2018	4.771293019668849
2019	5.453523215598099
2020	5.109802976999057
2021	9.25600371923793