Year Percent of GDP 2004-01-01 60.8373399747183 2005-01-01 70.3212306778968 2006-01-01 51.5013255226534 2007-01-01 52.4917552132385 2008-01-01 39.0385488465162 2009-01-01 40.6795897655878 2010-01-01 37.7616585808153 2011-01-01 48.1838507746789 2012-01-01 47.5044903941738 2013-01-01 37.7581022166737 2014-01-01 32.9203286692698 2015-01-01 16.4941567186432 2016-01-01 16.2754738492874 2017-01-01 20.9608210396640 2018-01-01 25.1104514170370 2019-01-01 22.4292582277382