Year Percent of GDP 2004-01-01 45.1532110818482 2005-01-01 40.9625419284045 2006-01-01 31.0967901540886 2007-01-01 40.3035918702353 2008-01-01 48.7036151404300 2009-01-01 59.4951218592408 2010-01-01 42.2690250332286 2011-01-01 39.2686574465922 2012-01-01 35.7946593858801 2013-01-01 35.9815904135759 2014-01-01 36.7422406684703 2015-01-01 32.6771434800335 2016-01-01 27.1149169749305 2017-01-01 22.3269101106167 2018-01-01 31.0958681503473 2019-01-01 32.4294328530498