Year current international $ 2000 99.07059812051054 2001 104.63786370116135 2002 103.18148658684687 2003 125.92305064069447 2004 131.55874956344104 2005 138.0299224042597 2006 148.27736481418535 2007 155.58434834149747 2008 161.13223478919 2009 170.43750853530912 2010 168.7089615816541 2011 174.99640317054946 2012 174.05855648467278 2013 184.91204386064547 2014 185.7050296531015 2015 190.19731568313875 2016 193.21840910108682 2017 189.0202727766591 2018 182.58567075661773 2019 187.30837622464105 2020 188.89780286659547 2021 203.56834227995267