Year	Percent of GDP
2004-01-01	2.8763
2005-01-01	4.7593
2006-01-01	7.3640
2007-01-01	10.6830
2008-01-01	12.5730
2009-01-01	12.3272
2010-01-01	11.5230
2011-01-01	10.9513
2012-01-01	10.7375
2013-01-01	10.6177
2014-01-01	10.3961
2015-01-01	10.8497
2016-01-01	10.8225