Year	current international $
2000	242.87819957366
2001	245.471904413126
2002	221.15172332975
2003	231.849337051299
2004	250.039844620058
2005	255.731865033178
2006	275.045188665149
2007	297.887252410125
2008	332.389700147169
2009	327.044410925648
2010	356.136067886296
2011	377.258257397918
2012	376.212912609552
2013	405.179850512736
2014	427.255041316486
2015	436.950082417433
2016	456.324239082275
2017	484.795205733149
2018	526.17040734661
2019	544.884099443173
2020	497.512358786758
2021	539.175653938725