Year current international $ 2000 108.144435807142 2001 119.431474981919 2002 130.220955370197 2003 143.25698016544 2004 158.56507834765 2005 170.872546980488 2006 165.434524624456 2007 177.95452562209 2008 187.876053758288 2009 204.491613156444 2010 223.921645930271 2011 226.253040727407 2012 221.125107071512 2013 220.615962937062 2014 236.548618458392 2015 238.537356961889 2016 239.654789777449 2017 240.601761554257 2018 247.31508374409 2019 254.80030734808 2020 262.857566894778 2021 296.681133335398