Year	Percent of GDP
2004-01-01	14.8372
2005-01-01	14.0480
2006-01-01	19.0404
2007-01-01	26.5486
2008-01-01	22.4023
2009-01-01	30.2133
2010-01-01	34.5559
2011-01-01	38.0411
2012-01-01	43.6714
2013-01-01	45.2535
2014-01-01	54.0595
2015-01-01	58.0541