Year	Percent of GDP
2004-01-01	18.9217
2005-01-01	27.4665
2006-01-01	37.3320
2007-01-01	42.0766
2008-01-01	45.3027
2009-01-01	51.8104
2010-01-01	48.0939
2011-01-01	40.2551
2012-01-01	36.7203
2013-01-01	34.8175
2014-01-01	34.0206
2015-01-01	34.5700
2016-01-01	35.0974