Year	current international $
2000	260.10976132311
2001	259.445607201506
2002	216.22148304893
2003	217.112884048285
2004	229.600411260424
2005	253.587365537883
2006	248.53762120226
2007	258.204187893036
2008	278.097654753943
2009	277.533618441271
2010	296.510183917817
2011	302.721120130073
2012	295.08501994071
2013	299.268225116609
2014	302.04540747266
2015	309.007179222205
2016	321.209169714933
2017	336.305229414311
2018	347.664307610326
2019	351.9070425368
2020	353.320977466748
2021	361.910164762358