Year	current international $
2000	42.5615357399042
2001	39.8586500299041
2002	40.7534393192122
2003	44.0388996581205
2004	41.8110736472359
2005	45.3651041688605
2006	49.3877230582871
2007	52.8146198034109
2008	54.0474598188048
2009	55.8793353034701
2010	47.287116406434
2011	37.1650660345151
2012	30.2982244435034
2013	26.0018411217549
2014	29.613723696217
2015	29.2280827984609
2016	29.9526649590125
2017	31.1219908121716
2018	28.5340746041683
2019	48.5250569223278
2020	42.227245714599
2021	43.8576609690343