Year	Percent of GDP
2004-01-01	25.3232
2005-01-01	28.8907
2006-01-01	33.4298
2007-01-01	38.2663
2008-01-01	42.9284
2009-01-01	44.8367
2010-01-01	46.2169
2011-01-01	47.8253
2012-01-01	48.6438
2013-01-01	50.1319
2014-01-01	49.0378
2015-01-01	49.4773
2016-01-01	51.0925
2017-01-01	54.3488