Year current international $ 2000 0.814282102885103 2001 2.04701227740263 2002 2.24532433930428 2003 3.5252351530706 2004 6.61154108825477 2005 3.61605276041733 2006 7.99382503815973 2007 10.8909657858661 2008 10.72894301785 2009 17.175575592421 2010 8.50574654239618 2011 8.86971637705645 2012 5.54606862556825 2013 11.3293454346235 2014 10.0349060993472 2015 37.2019804924668 2016 33.8447825272133 2017 34.7417134487705 2018 15.2939306629859 2019 52.4785875902684 2020 91.7989720233361 2021 55.1238624327601