Year Percent of GDP 2004-01-01 29.4279680498538 2005-01-01 29.3382130589328 2006-01-01 27.9413823985881 2007-01-01 31.5984194692012 2008-01-01 28.1496031256079 2009-01-01 27.0823380800874 2010-01-01 26.7340756589426 2011-01-01 28.6833692951477 2012-01-01 28.4173890394318 2013-01-01 27.4304263335031 2014-01-01 25.7410773776903 2015-01-01 24.8135784917781 2016-01-01 24.4034900309310 2017-01-01 25.1181798793437 2018-01-01 27.1591627813562 2019-01-01 28.8946350870238