Year Percent of GDP 2008-01-01 0.1984 2009-01-01 0.4881 2010-01-01 0.4239 2011-01-01 0.4711 2012-01-01 1.4430 2013-01-01 1.7131 2014-01-01 1.8417 2015-01-01 3.2977 2016-01-01 9.1403