Year	Percent of GDP
2004-01-01	12.5496
2005-01-01	17.1343
2006-01-01	20.1928
2007-01-01	23.4225
2008-01-01	23.1749
2009-01-01	23.6437
2010-01-01	25.6999
2011-01-01	24.0727
2012-01-01	26.5003
2013-01-01	30.4184
2014-01-01	26.6347
2015-01-01	20.9328
2016-01-01	18.9185
2017-01-01	21.1328