Year	current international $
2000	31.234321514786664
2001	32.8280322733643
2002	35.89164807784833
2003	38.078344175411594
2004	40.238109040113386
2005	42.635530531302024
2006	46.2947420345454
2007	50.15878421421543
2008	53.52669365995292
2009	55.998747843892964
2010	56.739137547053176
2011	57.93424553753442
2012	60.50546894808669
2013	67.01073687138151
2014	70.76608954649106
2015	74.90180435677713
2016	78.57404364415459
2017	76.6088701879277
2018	77.20843943827941
2019	82.0553658226314
2020	81.85672821628498
2021	85.47309954469775