Year current international $ 2000 270.0829706245914 2001 280.50843526200657 2002 285.77079814237675 2003 293.5879718238068 2004 309.7162895735619 2005 328.7032167573985 2006 367.6378459128623 2007 410.7122238723481 2008 444.5337779451971 2009 485.21701027966327 2010 504.4811284997763 2011 532.8269625554018 2012 541.1175515968081 2013 587.5885653828052 2014 614.9139534588749 2015 641.830653332456 2016 635.6907350407052 2017 668.4315358201472 2018 671.8963763023029 2019 657.9001057564667 2020 717.7517010165429 2021 776.3423277552273