Year	Percent of GDP
2004-01-01	0.1108
2005-01-01	0.1314
2006-01-01	0.1387
2007-01-01	0.1326
2008-01-01	0.1853
2009-01-01	0.4231
2010-01-01	0.4995
2011-01-01	0.4713
2012-01-01	0.4672
2013-01-01	0.5237
2014-01-01	0.5259
2015-01-01	0.5502
2016-01-01	0.5939