Year	Percent of GDP
2004-01-01	10.2248
2005-01-01	16.8510
2006-01-01	34.8844
2007-01-01	56.9871
2008-01-01	41.6484
2009-01-01	39.8858
2010-01-01	38.0475
2011-01-01	39.0914
2012-01-01	44.0403
2013-01-01	44.6450
2014-01-01	47.7185
2015-01-01	50.9808
2016-01-01	55.3173
2017-01-01	62.7193