Year Percent of GDP 2006-01-01 61.5423 2007-01-01 56.4076 2008-01-01 50.0025 2009-01-01 49.2965 2010-01-01 47.6311 2011-01-01 48.6555 2012-01-01 45.3930 2013-01-01 47.9493 2014-01-01 47.4885 2015-01-01 49.0444