Year Percent of GDP 2004-01-01 10.5855 2005-01-01 12.4571 2006-01-01 13.1292 2007-01-01 14.4637 2008-01-01 14.1227 2009-01-01 13.4711 2010-01-01 12.9105 2011-01-01 14.8716 2012-01-01 13.2747 2013-01-01 12.7675 2014-01-01 11.5701 2015-01-01 10.9874 2016-01-01 10.3834