Year	current international $
2000	60.72199308283022
2001	64.76313428565392
2002	63.97484612617452
2003	75.7203127964114
2004	75.26825245306466
2005	74.50220772108516
2006	78.61731379711054
2007	81.49621659570217
2008	84.25015315344294
2009	86.70136359640611
2010	84.48999980329519
2011	86.9320417779851
2012	86.65685877308141
2013	92.9835298262807
2014	94.60145411555092
2015	97.25043311620674
2016	99.28363305786375
2017	95.73313318400353
2018	88.9048144795509
2019	88.13277325423344
2020	86.22017909310578
2021	95.71871987532623