Year	Percent of GDP
2007-01-01	35.5051
2008-01-01	38.1860
2009-01-01	38.3470
2010-01-01	34.6796
2011-01-01	33.9619
2012-01-01	33.2877
2013-01-01	33.9944
2014-01-01	35.0778
2015-01-01	36.8012
2016-01-01	37.2174