Year current international $ 2000 389.2183697302986 2001 403.7390214346664 2002 427.20015481071283 2003 458.180242039436 2004 482.2769198295724 2005 503.973407180001 2006 539.325899235235 2007 562.8318248645691 2008 583.0631644768217 2009 586.8577389994335 2010 597.6574035619304 2011 616.4658712267446 2012 639.69207218546 2013 657.2060147495006 2014 674.1664768693089 2015 695.1886959253809 2016 720.2091926347481 2017 739.4166753650604 2018 766.8426467720052 2019 797.021015677517 2020 771.1764132780204 2021 840.5778282456861