Year	Percent of GDP
2004-01-01	7.6458
2005-01-01	8.5548
2006-01-01	10.1280
2007-01-01	10.2062
2008-01-01	13.8661
2009-01-01	9.8498
2010-01-01	13.3337
2011-01-01	14.6295
2012-01-01	12.9467
2013-01-01	12.8599
2014-01-01	13.2802
2015-01-01	13.7226
2016-01-01	13.0576