Year	current international $
2000	849.190027100133
2001	863.628688807368
2002	786.812995519884
2003	753.396227770106
2004	772.657984864043
2005	760.854530804456
2006	898.932059719994
2007	978.834712335306
2008	977.873852508891
2009	959.935700891647
2010	1103.5471333522
2011	1236.90260291561
2012	1109.52263620572
2013	1101.5181484201
2014	1127.33770223086
2015	1140.5388558027
2016	1314.42409096152
2017	1389.73243290108
2018	1485.07084091797
2019	1545.49384947324
2020	901.156133747479
2021	528.085972631785