Year	Percent of GDP
2004-01-01	10.4354
2005-01-01	10.8281
2006-01-01	10.2726
2007-01-01	10.6033
2008-01-01	12.0315
2009-01-01	12.6078
2010-01-01	13.3158
2011-01-01	14.9779
2012-01-01	14.8093
2013-01-01	15.5068
2014-01-01	15.6709