Year	Percent of GDP
2004-01-01	25.5000
2005-01-01	34.6387
2006-01-01	45.7501
2007-01-01	55.1972
2008-01-01	57.7887
2009-01-01	65.0238
2010-01-01	57.2663
2011-01-01	48.0029
2012-01-01	44.3989
2013-01-01	41.3028
2014-01-01	39.2039
2015-01-01	40.2825
2016-01-01	41.6559
2017-01-01	43.4760