Year	current international $
2000	24.265801945768548
2001	27.35637061022158
2002	26.548172354518364
2003	26.337592050336625
2004	31.59446117639226
2005	32.6659118516716
2006	30.458072436261293
2007	30.773218626310822
2008	30.24973943605789
2009	32.16004278449417
2010	31.03042824448787
2011	31.332777763737788
2012	37.42732005511772
2013	38.69506539672158
2014	39.8464501988982
2015	44.19662065427428
2016	42.38593723044931
2017	46.71558992631814
2018	48.973051320156934
2019	52.137442122021014
2020	59.90112122670277
2021	60.43444162946376