Year	Percent of GDP
2004-01-01	24.1315
2005-01-01	24.4829
2006-01-01	24.6335
2007-01-01	24.7142
2008-01-01	24.0456
2009-01-01	22.7815
2010-01-01	23.7265
2011-01-01	22.2986
2012-01-01	21.8735
2013-01-01	21.0373
2014-01-01	21.3294
2015-01-01	21.8672
2016-01-01	22.2917