Year	current international $
2000	2.75710334483879
2001	4.54777128642085
2002	1.51128868846958
2003	1.65206417737238
2004	2.55363543809126
2005	2.7705681416734
2006	2.57349395271529
2007	3.64278676403141
2008	2.49401065505271
2009	3.59734425884779
2010	2.01286701132901
2011	2.57190820222807
2012	2.70109719980146
2013	3.28561033817087
2014	6.15696393681876
2015	1.46465962950356
2016	1.6704427124561
2017	2.18054843203385
2018	1.35521309658586
2019	2.01297506211384
2020	2.08680861982759
2021	9.87179205763415