Year Percent of GDP 2004-01-01 0.0446 2005-01-01 0.0846 2006-01-01 0.1185 2007-01-01 0.1372 2008-01-01 0.1680 2009-01-01 0.2151 2010-01-01 0.3243 2011-01-01 0.4888 2012-01-01 0.7053 2013-01-01 0.5670 2014-01-01 0.2953 2015-01-01 0.2976 2016-01-01 0.2979 2017-01-01 0.1814