Year	Percent of GDP
2004-01-01	22.5157
2005-01-01	19.4118
2006-01-01	19.2621
2007-01-01	18.0766
2008-01-01	15.6983
2009-01-01	19.7287
2010-01-01	19.9427
2011-01-01	16.8811
2012-01-01	17.0948
2013-01-01	20.1613
2014-01-01	21.6146
2015-01-01	24.7689
2016-01-01	29.0247