Year	Percent of GDP
2004-01-01	109.3250
2005-01-01	112.9421
2006-01-01	119.9629
2007-01-01	126.1041
2008-01-01	134.3065
2009-01-01	140.8240
2010-01-01	137.3134
2011-01-01	138.8315
2012-01-01	136.9765
2013-01-01	128.5950
2014-01-01	116.2353
2015-01-01	107.0080
2016-01-01	99.5424
2017-01-01	96.5638