Year current international $ 2003 0.303015255664639 2004 5.35686170765149 2005 11.1984439107772 2006 14.8622299376291 2007 24.1654502677492 2008 4.48324731642379 2009 4.09217461766419 2010 1.77331126603047 2011 2.54437170267017 2012 1.22989574185282 2013 1.44207428442444 2014 1.58402167897979 2015 1.95992267715503 2016 1.14831417789456 2017 1.49844279487728 2018 2.08917809198103 2019 2.43650891087479 2020 1.62320601887221 2021 3.8468236443887