Year	current international $
2000	142.11161354744453
2001	149.5658728286283
2002	160.49898536306208
2003	167.6576607960959
2004	179.23235789098325
2005	191.8897387443816
2006	206.281523024373
2007	218.29158107414762
2008	233.85326387210407
2009	254.0118344743455
2010	258.2678566917971
2011	273.6914673320441
2012	292.82058550551875
2013	312.02567516335785
2014	325.877572381662
2015	335.2123644020261
2016	357.57219023871056
2017	391.03074504543395
2018	423.0552724296803
2019	462.82350460117976
2020	485.6701806427322
2021	526.5325790892563