Year Percent of GDP 2004-01-01 34.0829 2005-01-01 36.4381 2006-01-01 46.3315 2007-01-01 41.3475 2008-01-01 41.5230 2009-01-01 42.3856 2010-01-01 42.1772 2011-01-01 44.8120 2012-01-01 39.7385 2013-01-01 40.2269 2014-01-01 40.3125 2015-01-01 41.5489 2016-01-01 200.2641