Year current international $ 2000 57.26510503798439 2001 64.66107971304247 2002 65.76900943628087 2003 72.00342965111852 2004 74.47400481493219 2005 80.71067631981239 2006 84.73992122591393 2007 88.64447352517531 2008 91.44841884376824 2009 93.48885518585965 2010 94.32348835569489 2011 94.80182733048431 2012 104.12839099931006 2013 121.06161184172842 2014 119.05255802791002 2015 123.9379529425967 2016 127.02150998107273 2017 115.06295965407776 2018 117.56145259674993 2019 122.67467488537312 2020 122.15721136543839 2021 135.7156865645991