Year current international $ 2000 33.3999358413444 2001 34.0291976286545 2002 36.1536230934927 2003 36.8586156062607 2004 39.9314402422852 2005 44.3760637902889 2006 49.3341592313378 2007 49.8164161233339 2008 48.9967526102306 2009 52.018413558738 2010 73.9429856362126 2011 69.8062370861829 2012 76.623627339048 2013 78.2963434210312 2014 80.81208796098 2015 82.4910411689896 2016 91.3255005314692 2017 98.9678486014792 2018 99.6146708549751 2019 106.00888020256 2020 93.2937086941255 2021 102.632136174151