Year Percent of GDP 2004-01-01 8.9726 2005-01-01 7.3443 2006-01-01 8.3398 2007-01-01 7.9357 2008-01-01 6.7203 2009-01-01 7.6764 2010-01-01 8.7962 2011-01-01 10.8157 2012-01-01 10.3278 2013-01-01 7.3045 2014-01-01 6.6111 2015-01-01 6.8534 2016-01-01 7.5637