Year current international $ 2000 142.456832876861 2001 153.479737167223 2002 168.849286186972 2003 179.209245558387 2004 206.084266090007 2005 202.150876859036 2006 198.731035061622 2007 195.536697176535 2008 197.33473182595 2009 232.504214978253 2010 309.267531946829 2011 287.28662653863 2012 314.208975314781 2013 341.084813121515 2014 446.772764035078 2015 446.011936430737 2016 508.874070905742 2017 535.269630839608 2018 571.288306406535 2019 683.92193419429 2020 692.692891065008 2021 703.020394475381