Year	Percent of GDP
2004-01-01	8.5414
2005-01-01	8.7152
2006-01-01	8.7859
2007-01-01	8.8662
2008-01-01	7.6197
2009-01-01	7.9745
2010-01-01	8.2479
2011-01-01	7.7761
2012-01-01	7.9227
2013-01-01	7.9985
2014-01-01	7.8982
2015-01-01	9.6549
2016-01-01	12.0346
2017-01-01	16.2429