Year	current international $
2000	435.157631281818
2001	461.285492509349
2002	473.930277369593
2003	452.042115182433
2004	480.308734600991
2005	513.204799892527
2006	545.819223413459
2007	589.873377366287
2008	597.990526938354
2009	618.146173621985
2010	619.873784070688
2011	643.949701061711
2012	655.568722473098
2013	686.685555472611
2014	734.051201343917
2015	741.730139672272
2016	740.780066713812
2017	797.995126306143
2018	833.379875068757
2019	869.846256863449
2020	849.795766073087
2021	883.162586537332