Year	current international $
2000	2.3105803218933105
2001	2.5225514545120817
2002	2.8070230302852486
2003	3.347287007702744
2004	4.479433183137823
2005	4.832143017661385
2006	5.171262403144084
2007	5.403370326648843
2008	5.541510451779435
2009	6.125120979566043
2010	6.257049958506491
2011	6.852789418733233
2012	6.792961357123538
2013	7.326132798492782
2014	7.449005012206527
2015	6.770339461876002
2016	6.998801535520936
2017	6.967832703273574
2018	6.9266964787579415
2019	7.359816344401211
2020	7.127369957916212
2021	11.218288904722046