Year current international $ 2003 99.6127883178005 2004 102.725769683428 2005 82.0920123093226 2006 82.33618600987 2007 101.554103145942 2008 75.630259053473 2009 97.9671780609281 2010 102.104874348563 2011 90.0617913380715 2012 239.332013853671 2013 239.887876548269 2014 232.281897554975 2015 235.376706306905 2016 182.241551236689 2017 240.058549689042 2018 212.729142868107 2019 229.188982005025 2020 291.399109899987 2021 256.15086347439