Year Percent of GDP 2005-01-01 2.2333 2006-01-01 2.6939 2007-01-01 1.0955 2008-01-01 1.1366 2009-01-01 1.2144 2010-01-01 0.4978 2011-01-01 0.8437 2012-01-01 0.9942 2013-01-01 1.1070 2014-01-01 1.2479 2015-01-01 1.5541 2016-01-01 1.2586 2017-01-01 1.3009