Year	Percent of GDP
2004-01-01	48.6112
2005-01-01	49.8530
2006-01-01	52.5071
2007-01-01	55.4934
2008-01-01	61.0590
2009-01-01	61.7185
2010-01-01	66.4163
2011-01-01	65.6391
2012-01-01	66.5213
2013-01-01	70.2068
2014-01-01	72.6221
2015-01-01	76.9552
2016-01-01	81.8147
