Year	Percent of GDP
2004-01-01	17.4567
2005-01-01	18.4226
2006-01-01	19.3736
2007-01-01	20.1462
2008-01-01	21.8033
2009-01-01	22.8648
2010-01-01	22.3069
2011-01-01	21.8441
2012-01-01	20.5357
2013-01-01	20.4816
2014-01-01	21.4227
2015-01-01	22.4420
2016-01-01	25.1553