Year	Percent of GDP
2004-01-01	25.8755
2005-01-01	28.5124
2006-01-01	30.6663
2007-01-01	42.6609
2008-01-01	39.1737
2009-01-01	35.7432
2010-01-01	31.8678
2011-01-01	41.3899
2012-01-01	41.5925
2013-01-01	55.8856
2014-01-01	55.9720
2015-01-01	50.4345
2016-01-01	51.6528