Year current international $ 2000 57.1938333575735 2001 82.0028510066661 2002 67.1915300837779 2003 75.7695817050174 2004 77.4389894729403 2005 73.963690921898 2006 78.880443891835 2007 81.1728257761377 2008 100.167706315711 2009 103.424537552579 2010 95.4106485555701 2011 91.1935128536737 2012 115.782383507418 2013 112.933609075252 2014 112.108023888912 2015 109.295855789581 2016 102.329315315845 2017 102.761122485218 2018 73.5688659039252 2019 99.1061679855031 2020 156.918856241496 2021 124.910432333079