Year	current international $
2000	0.878784090401185
2001	1.77685659595301
2002	2.23977618396012
2003	2.17617094615686
2004	6.53124856051011
2005	4.80323163947053
2006	5.50841645062711
2007	8.18724044971895
2008	7.69523426583731
2009	10.2546207912314
2010	9.41377095904206
2011	9.97457647541343
2012	13.3750431797925
2013	4.3679777944212
2014	6.45540025882606
2015	7.17058747771236
2016	8.55905321941455
2017	8.78325210038115
2018	9.3072309062432
2019	10.3668203743183
2020	9.85446265242191
2021	10.4211259786054