Year Percent of GDP 2004-01-01 36.4065136151863 2005-01-01 38.5809296426007 2006-01-01 40.9902730421581 2007-01-01 43.8691938933477 2008-01-01 49.5835529543096 2009-01-01 60.3685330408591 2010-01-01 50.9616269617869 2011-01-01 55.4415758400140 2012-01-01 53.6399652977132 2013-01-01 54.0151988627228 2014-01-01 46.6657633715104 2015-01-01 48.2164046987901 2016-01-01 47.2805466462441 2017-01-01 45.3807833370460 2018-01-01 45.4625842682792 2019-01-01 43.0190686969838