Year	Percent of GDP
2004-01-01	14.6290
2005-01-01	9.0577
2006-01-01	11.5242
2007-01-01	13.0792
2008-01-01	12.1673
2009-01-01	20.1257
2010-01-01	23.6090
2011-01-01	21.5388
2012-01-01	18.9654
2013-01-01	20.5883
2014-01-01	21.4374
2015-01-01	24.3469
2016-01-01	24.4644
2017-01-01	26.5150