Year	Percent of GDP
2004-01-01	17.9198277747317
2005-01-01	14.6137511365172
2006-01-01	15.9339792789974
2007-01-01	15.8267718350670
2008-01-01	15.3708602143150
2009-01-01	15.4955579375617
2010-01-01	15.9812960595688
2011-01-01	17.1347512356855
2012-01-01	17.3037264890529
2013-01-01	18.7699955867593
2014-01-01	20.5563309122373
2015-01-01	22.5545678776513
2016-01-01	24.7304406115346
2017-01-01	24.7050748070480