Year	Percent of GDP
2004-01-01	6.1529
2005-01-01	7.6434
2006-01-01	9.9739
2007-01-01	14.6943
2008-01-01	13.6218
2009-01-01	12.5306
2010-01-01	11.9717
2011-01-01	10.9155
2012-01-01	12.9176
2013-01-01	15.1878
2014-01-01	19.6550
2015-01-01	21.8248
2016-01-01	20.4134
2017-01-01	23.6503