Year	current international $
2000	266.136903713766
2001	285.365961873008
2002	319.186511842064
2003	341.703902673258
2004	379.091312156521
2005	419.521329414202
2006	442.803186883459
2007	467.659305211779
2008	559.332756004755
2009	613.730389463386
2010	700.592614554695
2011	698.523851778417
2012	706.987401166432
2013	815.916877822781
2014	991.222317417091
2015	1070.19975634996
2016	1153.58354950278
2017	1214.50902037675
2018	1298.63620110681
2019	1451.93310374596
2020	1348.56290411052
2021	1428.98317696765