Year Percent of GDP 2004-01-01 85.9944 2005-01-01 93.1641 2006-01-01 100.7845 2007-01-01 109.7482 2008-01-01 143.8172 2009-01-01 152.1687 2010-01-01 152.4328 2011-01-01 143.7350 2012-01-01 142.3613 2013-01-01 137.8018 2014-01-01 129.4108 2015-01-01 126.8912 2016-01-01 133.1797