Year	current international $
2000	14.7324994973617
2001	18.1259481104709
2002	18.4119402941434
2003	23.8296761751309
2004	23.156327010573
2005	22.6132835338249
2006	24.0460484514445
2007	36.7255591843379
2008	23.7266763385524
2009	23.7951591772036
2010	12.0957237047604
2011	17.9337107743546
2012	10.6097715336821
2013	9.40795468729084
2014	42.0719084578823
2015	12.7946642661986
2016	7.34213380259156
2017	6.6216907514283
2018	10.6470870620184
2019	13.2575024310708
2020	12.5646409456219
2021	13.7745058660226
