Year	current international $
2000	57.6547135554778
2001	83.6757639771781
2002	58.6325388776813
2003	68.7708437769324
2004	82.4918198128115
2005	89.9604275964535
2006	107.79443009464
2007	122.227995725556
2008	122.150087184707
2009	135.142004069114
2010	157.673334433033
2011	169.934709499584
2012	168.534116708129
2013	154.857903854118
2014	178.671811999162
2015	194.410266117251
2016	217.928989491338
2017	250.343373134896
2018	284.45553033705
2019	310.371053292473
2020	272.136271877415
2021	286.758334465597