Year	current international $
2000	35.76074844426837
2001	38.111018623972164
2002	38.18622901778453
2003	51.816749122912675
2004	50.365148098430815
2005	51.71005968401738
2006	54.944926083559025
2007	56.50386560617234
2008	57.541137693058786
2009	59.50191474922685
2010	57.33860428484839
2011	58.707134220717066
2012	58.12223854656723
2013	63.030247804419034
2014	62.29723845714764
2015	64.6351094256091
2016	66.44654180696877
2017	65.58918214866765
2018	58.71301316202798
2019	57.907726516258016
2020	58.63858407005371
2021	65.94886684219067