Year Percent of GDP 2004-01-01 4.6201 2005-01-01 4.0501 2006-01-01 3.2097 2007-01-01 5.2554 2008-01-01 7.0260 2009-01-01 6.4210 2010-01-01 7.5721 2011-01-01 4.0614 2012-01-01 3.2562 2013-01-01 4.9266