Year	Percent of GDP
2004-01-01	34.1846
2005-01-01	34.8421
2006-01-01	32.9520
2007-01-01	35.5907
2008-01-01	36.4775
2009-01-01	39.9362
2010-01-01	43.5429
2011-01-01	41.9415
2012-01-01	42.3427
2013-01-01	39.0920
2014-01-01	35.6785
2015-01-01	34.6440
2016-01-01	33.8707
2017-01-01	34.0966