Year	Percent of GDP
2004-01-01	2.0697
2005-01-01	1.7117
2006-01-01	2.2212
2007-01-01	2.1865
2008-01-01	2.5805
2009-01-01	2.4575
2010-01-01	3.1812
2011-01-01	3.2503
2012-01-01	3.4105
2013-01-01	2.8236
2014-01-01	2.9020
2015-01-01	3.0128
2016-01-01	3.2923
2017-01-01	2.8683