Year Percent of GDP 2004-01-01 58.5841238959081 2005-01-01 65.6901406001276 2006-01-01 63.6613529819949 2007-01-01 68.4990972808130 2008-01-01 72.5597014713890 2009-01-01 58.9571920707176 2010-01-01 61.3986288286608 2011-01-01 60.8665327288637 2012-01-01 56.1277974878008 2013-01-01 50.8830933480228 2014-01-01 41.7612540151640 2015-01-01 29.6378453388569 2016-01-01 27.9852831242323 2017-01-01 27.6392718321266 2018-01-01 36.3538205540619 2019-01-01 38.9540110064810