Year	current international $
2000	69.8691428604959
2001	64.8768251310035
2002	65.8098507917987
2003	82.2382009945661
2004	84.8495918066465
2005	84.8535741844715
2006	109.369774535768
2007	137.94838848955
2008	145.334705177757
2009	136.896033795505
2010	128.884233190054
2011	147.797316026575
2012	154.788576149852
2013	216.031288496301
2014	183.215726612886
2015	217.579223120661
2016	239.875215289523
2017	213.808068679307
2018	144.638687637262
2019	144.635393343367
2020	92.4011168192475
2021	79.6434216390736