Year	Percent of GDP
2004-01-01	8.6675
2005-01-01	15.0170
2006-01-01	18.5330
2007-01-01	20.3562
2008-01-01	25.2850
2009-01-01	43.1340
2010-01-01	34.8139
2011-01-01	36.1094
2012-01-01	32.7631
2013-01-01	24.3458
2014-01-01	25.6618
2015-01-01	29.1630
2016-01-01	23.0924