Year	Percent of GDP
2004-01-01	5.2565
2005-01-01	6.2491
2006-01-01	4.2859
2007-01-01	4.4762
2008-01-01	4.3920
2009-01-01	4.0127
2010-01-01	4.0787
2011-01-01	4.0930
2012-01-01	4.0084
2013-01-01	4.1190
2014-01-01	3.9112
2015-01-01	4.2022
2016-01-01	4.7436
2017-01-01	4.7799