Year Percent of GDP 2004-01-01 27.3524920042923 2005-01-01 32.2951838696454 2006-01-01 26.5617830126174 2007-01-01 42.0116628146635 2008-01-01 46.1357630726588 2009-01-01 36.9425432876690 2010-01-01 51.8638488321243 2011-01-01 48.0368336333872 2012-01-01 39.9359565237136 2013-01-01 38.5636362678176 2014-01-01 43.9577079532041 2015-01-01 33.2438194432268 2016-01-01 30.1269298442883 2017-01-01 33.1108787628769 2018-01-01 37.2231489730438 2019-01-01 38.1683979832338