Year	current international $
2000	1391.54692505729
2001	1647.55542024446
2002	1871.83027590726
2003	2019.05044488486
2004	2229.55056536014
2005	2467.68700042454
2006	2627.53362829039
2007	2933.15321809905
2008	3220.01613549294
2009	3373.820825198
2010	3472.16429177752
2011	3453.02118979173
2012	3543.41774503786
2013	3491.78307351201
2014	3478.74701192159
2015	3656.91730140573
2016	3895.69831101505
2017	4074.37493208542
2018	4047.13595110035
2019	4496.51327051582
2020	5233.52609649143
2021	5569.73794483192