Year	Percent of GDP
2004-01-01	41.9224
2005-01-01	35.1901
2006-01-01	29.4235
2007-01-01	32.1400
2008-01-01	29.5022
2009-01-01	31.3322
2010-01-01	29.6252
2011-01-01	21.0902
2012-01-01	21.3356
2013-01-01	24.2713
2014-01-01	25.5681
2015-01-01	33.8200
2016-01-01	33.9004