Year Percent of GDP 2004-01-01 0.0741 2005-01-01 0.0750 2006-01-01 0.0789 2007-01-01 0.0858 2008-01-01 0.1019 2009-01-01 0.1175 2010-01-01 0.0457 2011-01-01 0.0551 2012-01-01 0.0586 2013-01-01 0.0389 2014-01-01 0.0360 2015-01-01 0.0360 2016-01-01 0.0364