Year current international $ 2000 449.6738418136 2001 461.2834180044 2002 426.78409137482 2003 442.048718437841 2004 445.839987950174 2005 433.099873400149 2006 458.704102436681 2007 497.672640803981 2008 531.671450692881 2009 701.105205017069 2010 667.214038769394 2011 643.277200703827 2012 691.798806087722 2013 724.642059376338 2014 802.738776750838 2015 890.285890040924 2016 865.500516851049 2017 807.420573345777 2018 771.878160317536 2019 700.706593770422 2020 681.446946486279 2021 697.273304827219