Year	current international $
2000	0.446575988829363
2001	10.6729496601007
2002	19.693480830531
2003	35.3968143092552
2004	37.6180799782807
2005	46.6975419775381
2006	47.7411935919708
2007	23.2273924915345
2008	29.809308647142
2009	22.026763532411
2010	18.9731886810778
2011	40.9497951783819
2012	16.4283495339101
2013	26.5126243264091
2014	27.9170946924318
2015	29.2030675722017
2016	13.6316857631125
2017	18.446854733518
2018	25.8329827745826
2019	32.0677913689127
2020	25.025605796099
2021	23.358671468424