Year Percent of GDP 2005-01-01 0.7255 2006-01-01 0.7602 2007-01-01 0.8706 2008-01-01 0.9484 2009-01-01 1.1713 2010-01-01 1.3106 2011-01-01 1.3824 2012-01-01 1.3147 2013-01-01 1.7110 2014-01-01 1.3122 2015-01-01 2.1775 2016-01-01 2.3557