Year	current international $
2000	71.5864106663533
2001	77.3170915368391
2002	82.3567838447886
2003	94.0569525204847
2004	104.799348848437
2005	88.4090488232907
2006	93.0591211812864
2007	86.8605027460618
2008	91.82146848413
2009	101.268291416314
2010	108.121855648927
2011	113.877805802538
2012	118.390860833108
2013	121.928458061297
2014	126.075222301901
2015	132.096478562712
2016	133.063078005239
2017	135.699543563511
2018	152.867298431498
2019	160.756573225969
2020	183.896997028852
2021	167.077739135451