Year	Percent of GDP
2004-01-01	31.6800
2005-01-01	40.2961
2006-01-01	43.1591
2007-01-01	41.3689
2008-01-01	41.7036
2009-01-01	50.1946
2010-01-01	52.2227
2011-01-01	47.8319
2012-01-01	48.3368
2013-01-01	48.2206
2014-01-01	49.7389
2015-01-01	53.9758
2016-01-01	56.7761