Year Percent of GDP 2004-01-01 0.2704 2005-01-01 0.3336 2006-01-01 0.4292 2007-01-01 0.5591 2008-01-01 0.6145 2009-01-01 0.6592 2010-01-01 0.7991 2011-01-01 1.0416 2012-01-01 1.1615 2013-01-01 1.3419 2014-01-01 1.3983 2015-01-01 1.2813 2016-01-01 1.5597