Year current international $ 2000 274.322344114123 2001 297.470424958266 2002 301.131823632692 2003 281.59326794935 2004 299.063431450931 2005 315.808142430678 2006 329.325195397468 2007 339.901607260489 2008 328.601986251209 2009 346.442011478162 2010 332.800739211345 2011 342.038754066274 2012 344.317183716126 2013 349.176648366356 2014 370.650817720385 2015 323.421986942402 2016 318.138639558982 2017 335.512772450882 2018 351.716009103111 2019 366.104226918696 2020 349.442447700818 2021 368.24163891568