Year Percent of GDP 2005-01-01 1.0614 2006-01-01 1.2018 2007-01-01 1.1932 2008-01-01 1.1085 2009-01-01 1.1818 2010-01-01 1.2530 2011-01-01 1.2300 2012-01-01 1.2926 2013-01-01 1.3628 2014-01-01 1.4374 2015-01-01 1.5757 2016-01-01 1.6995 2017-01-01 1.9754