Year current international $ 2000 48.0407303322613 2001 89.3964699390313 2002 340.574639855137 2003 312.323381847168 2004 294.338369374214 2005 232.111453839896 2006 222.337226974306 2007 244.815379562295 2008 229.469954955099 2009 319.861887201994 2010 286.115240722893 2011 258.712079043704 2012 281.025516910809 2013 334.016756603801 2014 348.739614626728 2015 349.235507590558 2016 364.887806005767 2017 396.269074833229 2018 378.457680257546 2019 409.590374508572 2020 466.80132618679 2021 424.120488463089