Year Percent of GDP 2004-01-01 49.5279883340288 2005-01-01 52.7039862957855 2006-01-01 52.0022797982576 2007-01-01 54.9467412248715 2008-01-01 45.3330281013844 2009-01-01 40.6742277761188 2010-01-01 43.6090320942493 2011-01-01 49.8167625609586 2012-01-01 44.1645589129687 2013-01-01 61.4617447470896 2014-01-01 60.7973935914822 2015-01-01 52.1068213482710 2016-01-01 52.6615017292596 2017-01-01 39.9705435563429 2018-01-01 39.8506226395230 2019-01-01 40.5107092219801