Year	Percent of GDP
2004-01-01	0.6393
2005-01-01	0.8172
2006-01-01	0.9772
2007-01-01	1.1454
2008-01-01	1.1581
2009-01-01	1.4493
2010-01-01	1.4372
2011-01-01	1.4591
2012-01-01	1.4529
2013-01-01	1.3544
2014-01-01	1.4065
2015-01-01	1.0227
2016-01-01	1.0128
2017-01-01	1.0751