Year Percent of GDP 2004-01-01 24.4262613071863 2005-01-01 24.6596529464626 2006-01-01 27.8329106631111 2007-01-01 29.7343913984120 2008-01-01 31.2550509372838 2009-01-01 22.5015067106804 2010-01-01 35.4554638341907 2011-01-01 40.6538603378796 2012-01-01 30.8472887734904 2013-01-01 27.5736815498115 2014-01-01 25.7700059068104 2015-01-01 24.8929465348062 2016-01-01 25.4267658728337 2017-01-01 23.9566022957887 2018-01-01 22.4425043757356 2019-01-01 20.6786903467614