Year	current international $
2000	115.451679118003
2001	121.482244356685
2002	131.168177351845
2003	144.99805390182
2004	152.856090488256
2005	164.57716602476
2006	180.707850414803
2007	212.83064061894
2008	254.548189490368
2009	290.045408982629
2010	360.159183197109
2011	378.375788108282
2012	378.462644605321
2013	384.546951804966
2014	429.536990934976
2015	431.903101528092
2016	458.619849173748
2017	480.196925557134
2018	506.44005450344
2019	556.285521708846
2020	621.287395109799
2021	676.380687504914