Year current international $ 2000 721.36303943092 2001 766.945720677735 2002 846.483232615836 2003 825.496018584691 2004 848.091636452868 2005 722.340326837057 2006 675.748610073285 2007 606.084645744026 2008 504.207617436284 2009 783.739118094291 2010 742.609842287369 2011 665.635769458163 2012 595.158431596762 2013 521.498865854035 2014 460.375668205269 2015 435.445344536256 2016 428.229476948401 2017 460.757755869354 2018 425.297153446706 2019 456.425646595594 2020 477.716667565271 2021 442.030019941484