Year	current international $
2000	490.75441877143
2001	473.633906868564
2002	425.787266978828
2003	395.416165600803
2004	377.688014339014
2005	360.062180812663
2006	401.727894594748
2007	431.466091350877
2008	438.669538281915
2009	427.840858014106
2010	480.981092665439
2011	497.069203719983
2012	414.248757140069
2013	407.061441642903
2014	401.019043631932
2015	372.926997092517
2016	420.284677006027
2017	459.530636191475
2018	524.239637055022
2019	474.641538336142
2020	273.160815494026
2021	183.329226148993