Year	Percent of GDP
2004-01-01	36.6928
2005-01-01	35.6307
2006-01-01	35.2280
2007-01-01	31.8622
2008-01-01	32.2176
2009-01-01	33.6977
2010-01-01	33.2657
2011-01-01	32.0899
2012-01-01	30.6064
2013-01-01	28.7001
2014-01-01	27.1550
2015-01-01	26.5010
2016-01-01	26.1395
2017-01-01	26.0561