Year current international $ 2000 104.369555006449 2001 139.937958005892 2002 150.315123096316 2003 155.529617407688 2004 158.164587722524 2005 168.775378567381 2006 195.126280843318 2007 241.992435781585 2008 289.424404135539 2009 280.011260710331 2010 287.928494605877 2011 287.810399025185 2012 262.058660157806 2013 272.904066847923 2014 280.699732196822 2015 293.144221300439 2016 304.440520662073 2017 282.936925553449 2018 292.44972016023 2019 309.670367381364 2020 304.496384387381 2021 329.904547024645