Year	current international $
2000	34.53990595287831
2001	37.54901477071935
2002	39.29566925036298
2003	58.425254022852016
2004	57.0398498230596
2005	57.629066654200216
2006	61.04066153500253
2007	63.20459809686453
2008	63.919024985341714
2009	67.21610380598656
2010	64.54873640718
2011	64.0972270477711
2012	70.51289615539793
2013	76.44201207794512
2014	77.24388193368031
2015	81.48572723347532
2016	82.2464430027255
2017	84.55489197133608
2018	76.07179832822113
2019	76.16066095482023
2020	80.28744134236932
2021	88.01053742715654