Year constant 2010 US$ 2002 288.353338399636 2003 287.698818403912 2004 298.204621466778 2005 289.916504149523 2006 299.868828968838 2007 315.974181683125 2008 331.482340218655 2009 325.144965109513 2010 357.975906596529 2011 372.114009024762 2012 355.665092378027 2013 354.096345658579 2014 362.914043868506 2015 365.425262628775 2016 377.338438751879 2017 433.082293309749