Year	current international $
2000	1987.7205342526543
2001	2181.61193902383
2002	2357.4845190858086
2003	2524.732751589979
2004	2698.0991347781346
2005	2861.892846652708
2006	3073.9583599889584
2007	3236.0948187258027
2008	3412.420818309588
2009	3610.860066491798
2010	3744.0983727592015
2011	3837.089639637059
2012	3950.04767623499
2013	4084.2495079011896
2014	4366.559849170636
2015	4616.100749703312
2016	4780.632782801404
2017	4925.732448145683
2018	5137.55427485503
2019	5346.958585568389
2020	6481.780074516998
2021	6461.298653421085