Year Percent of GDP 2011-01-01 0.174375519028546 2012-01-01 0.611305269208430 2013-01-01 0.669826465940313 2014-01-01 0.993090167346384 2015-01-01 1.499064257736940 2016-01-01 1.499992658252350 2017-01-01 0.822139043238119