Year current international $ 2000 45.8751214164453 2001 49.1375047271867 2002 71.8174358520699 2003 61.1961836649136 2004 80.2059796744907 2005 75.8162770262203 2006 76.2811463750855 2007 69.8852965753869 2008 66.247909425482 2009 73.4034677245928 2010 74.4186677304764 2011 70.6237182337612 2012 67.0898806817877 2013 64.0221671251297 2014 71.7918754236073 2015 82.1689360294701 2016 79.4602681823285 2017 74.021915475106 2018 71.8113039007638 2019 72.6342658821215 2020 87.1772534539504 2021 81.3776942389888