Year Percent of GDP 2004-01-01 36.7473496627810 2005-01-01 39.4481788274588 2006-01-01 34.5229806763420 2007-01-01 35.0457538969288 2008-01-01 35.7613301536660 2009-01-01 27.8553849645191 2010-01-01 33.1276980034156 2011-01-01 36.4557655379714 2012-01-01 32.7578690541853 2013-01-01 28.8497083320046 2014-01-01 28.2235678590003 2015-01-01 30.2991426278342 2016-01-01 27.5688847313733 2017-01-01 23.7349961834252 2018-01-01 22.6097467903615 2019-01-01 23.2666362409666