Year	Percent of GDP
2004-01-01	58.7094
2005-01-01	68.8168
2006-01-01	74.1751
2007-01-01	77.5566
2008-01-01	77.0303
2009-01-01	78.6645
2010-01-01	74.3315
2011-01-01	60.8487
2012-01-01	60.8192
2013-01-01	57.7473
2014-01-01	48.4377
2015-01-01	34.6684
2016-01-01	31.6305
2017-01-01	32.1749