Year	current international $
2000	407.36267927708
2001	437.31766392268
2002	468.701229463388
2003	552.113007430299
2004	578.686821310544
2005	612.166490505511
2006	676.838362528593
2007	719.240377481298
2008	749.550158026094
2009	730.59113069424
2010	739.740444905853
2011	775.959090175908
2012	809.122142983144
2013	850.662189582738
2014	905.478205745369
2015	913.610333253169
2016	950.416761707022
2017	1044.80329408949
2018	1094.0068496137
2019	1166.06091225313
2020	1096.91271043737
2021	1240.19399511699