Year	Percent of GDP
2004-01-01	0.0281
2005-01-01	0.0295
2006-01-01	0.0301
2007-01-01	0.0309
2008-01-01	0.0339
2009-01-01	0.0336
2010-01-01	0.0315
2011-01-01	0.0322
2012-01-01	0.0320
2013-01-01	0.0312
2014-01-01	0.0317
2015-01-01	0.0324
2016-01-01	0.0348
2017-01-01	0.0387