Year	Percent of GDP
2004-01-01	36.6930
2005-01-01	39.9606
2006-01-01	42.1739
2007-01-01	44.0745
2008-01-01	49.5295
2009-01-01	50.9852
2010-01-01	52.8648
2011-01-01	49.4608
2012-01-01	51.3772
2013-01-01	51.4660
2014-01-01	53.7319
2015-01-01	52.1051
2016-01-01	36.6034
2017-01-01	21.0701