Year	current international $
2000	116.610697238455
2001	137.458128974146
2002	137.250414115355
2003	135.096808534465
2004	160.69261948221
2005	154.245337173089
2006	179.260714198316
2007	194.694181144739
2008	175.988199186089
2009	195.074746344101
2010	213.407837618617
2011	220.086670357675
2012	260.657968226129
2013	277.83191697491
2014	283.662926218148
2015	333.139174688784
2016	346.780920995373
2017	350.523670245191
2018	364.33140357769
2019	429.148495076067
2020	494.165985825185
2021	441.826251562668