Year current international $ 2000 101.653490801152 2001 112.484411514094 2002 117.713409272669 2003 106.529667830037 2004 105.650701144651 2005 112.320445546256 2006 133.155053931409 2007 129.14840478197 2008 135.44869206725 2009 139.786712240497 2010 129.907663192698 2011 142.318757578572 2012 142.085929184438 2013 152.880407367907 2014 153.011731169698 2015 181.57623420743 2016 175.398958465793 2017 182.072170212926 2018 156.956837773958 2019 158.939832091563 2020 167.286862836206 2021 231.894420371757