Year	Percent of GDP
2004-01-01	0.2014
2005-01-01	0.2923
2006-01-01	0.4420
2007-01-01	0.5416
2008-01-01	0.5976
2009-01-01	0.8285
2010-01-01	1.0448
2011-01-01	1.1566
2012-01-01	1.3511
2013-01-01	1.2985
2014-01-01	1.1631
2015-01-01	0.9055
2016-01-01	0.9843
2017-01-01	1.0767