Year Percent of GDP 2008-01-01 0.0781 2009-01-01 0.3424 2010-01-01 0.3085 2011-01-01 0.2472 2012-01-01 0.6602 2013-01-01 0.7108 2014-01-01 0.6690 2015-01-01 0.7900 2016-01-01 0.6873