Year	Percent of GDP
2004-01-01	5.6423
2005-01-01	5.7922
2006-01-01	6.0272
2007-01-01	6.0676
2008-01-01	6.2190
2009-01-01	9.5582
2010-01-01	11.4730
2011-01-01	13.9420
2012-01-01	12.2559
2013-01-01	19.7851
2014-01-01	21.4915
2015-01-01	22.4953
2016-01-01	20.9902