Year Percent of GDP 2004-01-01 29.23222634244530 2005-01-01 33.59615115746170 2006-01-01 26.58669642573150 2007-01-01 25.73997570296000 2008-01-01 26.65291153460760 2009-01-01 19.62786317450690 2010-01-01 22.40785816230890 2011-01-01 24.73780618070030 2012-01-01 21.37406426673010 2013-01-01 19.30603250430970 2014-01-01 14.75871142613820 2015-01-01 10.14071764127680 2016-01-01 9.45284913992243 2017-01-01 13.48816098940210 2018-01-01 16.92160593755810 2019-01-01 15.63256826078120