Year Percent of GDP 2004-01-01 90.6121 2005-01-01 81.2618 2006-01-01 71.1778 2007-01-01 71.4265 2008-01-01 80.2459 2009-01-01 79.8744 2010-01-01 49.0523 2011-01-01 50.2033 2012-01-01 49.2219 2013-01-01 52.2080 2014-01-01 56.2571 2015-01-01 66.2845 2016-01-01 75.7597