Year current international $ 2000 349.093300453359 2001 320.347893741216 2002 292.869521065075 2003 291.984699961376 2004 367.297743099888 2005 502.673252190569 2006 521.705788549757 2007 442.047908303472 2008 396.898084720116 2009 393.947457124996 2010 407.919229056503 2011 392.350016540977 2012 396.550129262143 2013 439.512402377994 2014 441.866315546843 2015 537.902786141621 2016 576.205927265261 2017 569.420305992656 2018 654.910363009512 2019 711.123329746033 2020 619.509456542175 2021 676.914487334353