Year	Percent of GDP
2004-01-01	44.1395
2005-01-01	40.8145
2006-01-01	41.5830
2007-01-01	36.4413
2008-01-01	44.9323
2009-01-01	35.0834
2010-01-01	36.6318
2011-01-01	37.3297
2012-01-01	35.4871
2013-01-01	38.5895
2014-01-01	41.2993
2015-01-01	47.8805
2016-01-01	45.5790
2017-01-01	46.4980