Year	current international $
2000	334.289484824855
2001	334.622623901866
2002	344.011004762024
2003	384.433987761547
2004	410.174898184268
2005	428.292990812679
2006	460.480507132431
2007	456.746057080942
2008	475.981105691921
2009	504.57950926553
2010	496.700462554839
2011	560.393454456538
2012	541.826514370525
2013	544.77086253427
2014	549.301267195359
2015	560.251329578566
2016	584.867963404174
2017	570.151812663271
2018	562.461748109191
2019	556.363017918193
2020	540.277089641337
2021	555.306364218607