Year Percent of GDP 2005-01-01 2.4867 2006-01-01 2.2643 2007-01-01 2.1707 2008-01-01 2.3769 2009-01-01 2.4953 2010-01-01 2.2462 2011-01-01 2.1018 2012-01-01 2.5585 2013-01-01 3.7604