Year	Percent of GDP
2004-01-01	22.5071
2005-01-01	28.2798
2006-01-01	27.9829
2007-01-01	33.9695
2008-01-01	38.9016
2009-01-01	42.9751
2010-01-01	50.5919
2011-01-01	48.4007
2012-01-01	50.4856
2013-01-01	44.4841
2014-01-01	47.4500
2015-01-01	47.2832
2016-01-01	46.6377
2017-01-01	47.7178