Year	Percent of GDP
2004-01-01	0.3125
2005-01-01	0.3179
2006-01-01	0.3277
2007-01-01	0.3281
2008-01-01	0.3064
2009-01-01	0.3027
2010-01-01	0.2684
2011-01-01	0.2518
2012-01-01	0.2419
2013-01-01	0.2376
2014-01-01	0.2468
2015-01-01	0.2582
2016-01-01	0.2513