Year Percent of GDP 2004-01-01 11.3444 2005-01-01 5.5095 2006-01-01 5.4054 2007-01-01 6.1711 2008-01-01 5.2905 2009-01-01 6.0140 2010-01-01 6.8755 2011-01-01 7.7423 2012-01-01 7.9442 2013-01-01 9.0262