Year Percent of GDP 2005-01-01 1.6313 2006-01-01 2.5652 2007-01-01 0.8989 2008-01-01 1.1642 2009-01-01 1.1089 2010-01-01 0.4300 2011-01-01 0.5295 2012-01-01 0.7771 2013-01-01 1.0733 2014-01-01 1.1834 2015-01-01 1.3826 2016-01-01 1.3309 2017-01-01 1.4330