Year	current international $
2000	86.45694934657276
2001	92.87829719196556
2002	100.1080358195891
2003	108.93201055070867
2004	116.99735638784655
2005	128.02119156805236
2006	146.76600544008423
2007	164.34741584333364
2008	189.43927880059167
2009	218.39107563787448
2010	226.08898090607082
2011	244.62139784267714
2012	265.9919989625096
2013	285.9242350096466
2014	303.9389197340717
2015	317.6073749108738
2016	326.08904300341453
2017	341.52679662970746
2018	362.7850311325673
2019	386.02684163497173
2020	431.24482147759346
2021	467.46592942894324