Year Percent of GDP 2004-01-01 68.1748 2005-01-01 74.3881 2006-01-01 79.2149 2007-01-01 82.3227 2008-01-01 86.2127 2009-01-01 87.5248 2010-01-01 85.4117 2011-01-01 83.2073 2012-01-01 85.1484 2013-01-01 84.3959 2014-01-01 84.9615 2015-01-01 87.9009 2016-01-01 90.5486