Year Percent of GDP 2004-01-01 8.1186 2005-01-01 7.5969 2006-01-01 7.3492 2007-01-01 7.2585 2008-01-01 7.1461 2009-01-01 7.2072 2010-01-01 9.0159 2011-01-01 9.7833 2012-01-01 11.8426 2013-01-01 14.2557