Year	Percent of GDP
2004-01-01	5.3288
2005-01-01	6.0938
2006-01-01	5.6456
2007-01-01	5.4590
2008-01-01	5.4504
2009-01-01	6.4101
2010-01-01	8.0919
2011-01-01	10.2853
2012-01-01	13.3998
2013-01-01	20.5676
2014-01-01	24.8436
2015-01-01	27.0178
2016-01-01	30.4023