Year	Percent of GDP
2008-01-01	16.9935714485796
2009-01-01	15.8082771032135
2010-01-01	16.9449717307022
2011-01-01	23.1056935631209
2012-01-01	20.6628679154414
2013-01-01	23.2558678839255
2014-01-01	23.0757673265434