Year	current international $
2000	41.8600929757083
2001	43.8267764041926
2002	47.2169530098705
2003	45.7687231135181
2004	44.798852698748
2005	50.2496069779753
2006	54.4648368844608
2007	56.7191324205915
2008	60.3112280588065
2009	61.9153154739023
2010	56.314639945822
2011	84.5867489903743
2012	84.2664687204712
2013	101.013243133178
2014	106.312577678326
2015	91.2236421990761
2016	79.6840040501491
2017	87.5248120467608
2018	88.4157457202539
2019	90.5028555363875
2020	85.4574319254324
2021	91.8551594655572