Year	Percent of GDP
2004-01-01	0.0316
2005-01-01	0.0343
2006-01-01	0.0343
2007-01-01	0.0342
2008-01-01	0.0367
2009-01-01	0.0409
2010-01-01	0.0409
2011-01-01	0.0426
2012-01-01	0.0454
2013-01-01	0.0485
2014-01-01	0.0498
2015-01-01	0.0505
2016-01-01	0.0506
2017-01-01	0.0522