Year % of GDP 2003 1.0413148465493067 2005 3.1878779945018985 2006 1.0740470592082172 2007 11.38093723192572 2008 6.708315586071707 2009 10.724154114381774 2010 10.11600237299653 2011 7.211477436186329 2012 11.51536348681663 2013 9.345550206567545 2014 9.87309824371851 2015 10.55055200368282 2016 4.789624907673406