Year	current international $
2000	81.8128553489939
2001	89.8269514689012
2002	91.4542617781775
2003	99.6538458998185
2004	96.4207864409695
2005	110.839541454688
2006	111.57196499773
2007	125.154838021543
2008	129.545083032847
2009	154.839813433615
2010	155.292109531998
2011	162.025593567297
2012	174.210242588126
2013	212.086319135904
2014	255.543726787848
2015	301.112152986407
2016	325.379230191498
2017	366.700528037692
2018	415.917543710005
2019	435.246259598012
2020	470.023595539171
2021	520.346348240664