Year	current international $
2000	16.6035090736763
2001	17.7438969389005
2002	17.3897605843785
2003	14.2014947144481
2004	32.1622684857012
2005	21.1886343260397
2006	12.1510821693194
2007	9.44470796978684
2008	16.2362470906446
2009	18.960704896316
2010	17.559104215464
2011	13.0551932970176
2012	19.975225716355
2013	15.6239907122166
2014	14.7245042895373
2015	9.95968469417514
2016	12.1538681617859
2017	9.502126453617
2018	40.0322093049334
2019	48.9459538384383
2020	31.0526997998374
2021	59.5774312014565