Year	current international $
2000	38.5506600564617
2001	50.5502528647442
2002	44.826310287013
2003	47.7799531748969
2004	47.4728294224037
2005	38.7544801012238
2006	54.0239229505842
2007	93.4099390416862
2008	89.1467177244828
2009	100.346580680187
2010	87.6503687347062
2011	113.508806056933
2012	131.280134683628
2013	159.566997335812
2014	164.262100308948
2015	169.479855728916
2016	161.437128898948
2017	159.219049687957
2018	146.526168757461
2019	150.900113583273
2020	109.821167706528
2021	108.802221086129