Year	current international $
2000	398.29665997289385
2001	423.3726566084724
2002	460.22949794026476
2003	451.0185068933113
2004	464.97060992271844
2005	486.2813382554873
2006	504.9068348527965
2007	544.3686823047997
2008	598.9932926036491
2009	659.9352501788754
2010	650.2452135874944
2011	650.7452044463146
2012	685.929130290911
2013	716.096558845003
2014	736.9532224663067
2015	775.8786526470714
2016	815.0462459735926
2017	835.5086086311953
2018	875.9778769868835
2019	987.2899680938133
2020	1180.5161810473778
2021	1310.5016147790323