Year	Percent of GDP
2004-01-01	22.3734
2005-01-01	19.8834
2006-01-01	22.6339
2007-01-01	24.3913
2008-01-01	22.9287
2009-01-01	26.3353
2010-01-01	22.3786
2011-01-01	19.2675
2012-01-01	23.7194
2013-01-01	25.6232
2014-01-01	23.9596
2015-01-01	26.5150