Year Percent of GDP 2004-01-01 70.8191924522657 2005-01-01 67.3033997416732 2006-01-01 77.3852362186094 2007-01-01 82.0419036815958 2008-01-01 53.4168522605428 2009-01-01 51.8072146606471 2010-01-01 16.6500308978615 2011-01-01 11.9016742325018 2012-01-01 13.7024420433619 2013-01-01 14.7783020554338 2014-01-01 16.7956295031495 2015-01-01 21.2316875065523 2016-01-01 19.2786031473146 2017-01-01 20.8078312940551 2018-01-01 23.6153307965828 2019-01-01 25.7859054868991