Year Percent of GDP 2004-01-01 1.0101 2005-01-01 3.1633 2006-01-01 12.5057 2007-01-01 11.9023 2008-01-01 10.6825 2009-01-01 12.5338 2010-01-01 11.2473 2011-01-01 10.2392 2012-01-01 10.0981 2013-01-01 9.3078 2014-01-01 7.0034 2015-01-01 6.8453