Year	current international $
2000	128.361744649469
2001	139.670806641893
2002	152.565028209149
2003	169.426649183621
2004	206.193024429568
2005	256.282772434014
2006	318.485322428962
2007	403.738356153395
2008	453.295445355291
2009	444.837396079208
2010	463.579986660691
2011	475.767856986446
2012	481.475825851268
2013	536.310328975665
2014	556.939678282788
2015	549.90761161623
2016	561.782573612743
2017	576.408100487202
2018	602.238813929636
2019	670.969425880496
2020	648.885481844304
2021	804.606301402614