Year	current international $
2000	213.679736126171
2001	258.633045853938
2002	262.661158166354
2003	278.610615706977
2004	269.403128276834
2005	257.300200151617
2006	272.450273066699
2007	330.492926381513
2008	384.624107138831
2009	485.088883322607
2010	467.235369067127
2011	503.805402398495
2012	584.099430016792
2013	561.970254345757
2014	615.630969179517
2015	591.726561417209
2016	520.469110290305
2017	506.826534763922
2018	513.436883718652
2019	447.117771504953
2020	430.730949038289
2021	397.365991892527