Year	Percent of GDP
2007-01-01	0.7585
2008-01-01	6.7083
2009-01-01	16.5315
2010-01-01	23.1035
2011-01-01	31.3788
2012-01-01	36.0793
2013-01-01	40.0741
2014-01-01	43.9025
2015-01-01	44.9810
2016-01-01	46.8741
