Year	Percent of GDP
2004-01-01	4.6803
2005-01-01	4.5526
2006-01-01	4.4790
2007-01-01	4.5056
2008-01-01	4.7382
2009-01-01	5.3364
2010-01-01	5.3713
2011-01-01	5.4472
2012-01-01	5.5499
2013-01-01	5.5669
2014-01-01	5.5792
2015-01-01	5.7455
2016-01-01	6.0078