Year Percent of GDP 2004-01-01 54.8569977818842 2005-01-01 52.8761881697729 2006-01-01 51.2583497298778 2007-01-01 68.7118246372175 2008-01-01 82.5226538837438 2009-01-01 87.6419895721544 2010-01-01 49.3075919525044 2011-01-01 48.1104131239767 2012-01-01 48.2862683120692 2013-01-01 39.2034501886586 2014-01-01 37.2846089526937 2015-01-01 34.9946271199629 2016-01-01 31.7721662488600 2017-01-01 30.0276552927349 2018-01-01 28.8307563186629 2019-01-01 26.8801517369778