Year	current international $
2000	273.385611919943
2001	272.637898781109
2002	282.930644266271
2003	329.433390307995
2004	349.670170804048
2005	360.934995525831
2006	385.999724631281
2007	386.155776667314
2008	405.890414486077
2009	436.737581409532
2010	427.394533716616
2011	487.493992648155
2012	472.236914696463
2013	470.872530743919
2014	473.48762674794
2015	482.920771774148
2016	504.036189697166
2017	490.567045772955
2018	484.27644545072
2019	479.025503117158
2020	465.175607696364
2021	478.115716665706