Year	Percent of GDP
2004-01-01	10.2609
2005-01-01	12.7363
2006-01-01	15.2943
2007-01-01	18.8139
2008-01-01	21.7509
2009-01-01	24.8545
2010-01-01	26.4090
2011-01-01	27.2251
2012-01-01	27.9451
2013-01-01	28.8650
2014-01-01	28.5253
2015-01-01	29.0641
2016-01-01	30.1153
2017-01-01	32.4469
