Year current international $ 2000 78.4616435911957 2001 86.8169808987796 2002 96.599093119413 2003 108.137541340794 2004 121.681869446477 2005 137.458676578378 2006 154.678736161738 2007 166.405012162427 2008 176.07179752267 2009 192.028163722229 2010 208.807065801982 2011 213.942618682074 2012 208.838676569197 2013 205.738416350999 2014 192.995034136158 2015 194.375282763611 2016 194.103963345392 2017 192.341247181155 2018 194.879262704708 2019 200.068836394347 2020 206.116020715242 2021 230.835141531841