Year constant 2010 US$ 2001 227.658624605722 2002 267.786040858514 2003 266.964036250821 2004 279.90051756293 2005 288.021506323921 2006 296.911519074019 2007 322.668085924108 2008 341.749038156035 2009 355.488886708483 2010 346.354211823965 2011 347.648339422437 2012 401.659155283537 2013 417.802019709952 2014 381.040511742692 2015 364.736328087165 2016 316.880349284306 2017 395.886907034177