Year	Percent of GDP
2004-01-01	14.7744
2005-01-01	15.9884
2006-01-01	18.0801
2007-01-01	20.3197
2008-01-01	19.8135
2009-01-01	23.2033
2010-01-01	25.1406
2011-01-01	31.9131
2012-01-01	25.9457
2013-01-01	26.6020
2014-01-01	27.4753
2015-01-01	33.9434
2016-01-01	31.7489