Year	Percent of GDP
2004-01-01	16.5741786805920
2005-01-01	17.8262739801538
2006-01-01	18.6541882828668
2007-01-01	19.9629850013195
2008-01-01	18.1239852800118
2009-01-01	18.9493787728762
2010-01-01	20.5772925913173
2011-01-01	22.3892337993603
2012-01-01	20.8791499413904
2013-01-01	19.3868038808733
2014-01-01	18.4047340818747
2015-01-01	19.5838437009918
2016-01-01	18.7881722388176
2017-01-01	18.0751575929151
2018-01-01	18.6607322399792
2019-01-01	19.1218571105713