Year current international $ 2000 135.8488970570414 2001 155.56049571979491 2002 164.32598790511244 2003 164.87868276859467 2004 175.74610138245632 2005 177.19642617967634 2006 196.69147365243296 2007 212.25770896598496 2008 224.9871653724158 2009 266.8349714137349 2010 254.88620214838656 2011 261.84188935060024 2012 246.9646036492291 2013 259.16149207389486 2014 298.21824411192733 2015 293.1403847625524 2016 330.27202885067607 2017 330.1510734400286 2018 320.2180480122843 2019 291.3515878070801 2020 293.4550373943451 2021 332.5059812790566