Year	current international $
2000	156.859315693851
2001	161.100739054909
2002	164.486618170091
2003	170.609081863589
2004	180.485016702455
2005	213.160626824411
2006	190.803598430701
2007	208.839577884047
2008	218.882935965367
2009	204.499766085282
2010	208.667746526288
2011	221.545235897642
2012	222.52427998338
2013	235.834856621646
2014	230.616323170042
2015	237.901860131532
2016	246.035719337162
2017	270.613665849376
2018	281.550547593357
2019	311.985161133631
2020	217.151331233125
2021	259.335148076034