Year	Percent of GDP
2004-01-01	31.6394
2005-01-01	33.3319
2006-01-01	34.6506
2007-01-01	33.6949
2008-01-01	35.5744
2009-01-01	39.4446
2010-01-01	41.5431
2011-01-01	38.9952
2012-01-01	37.6933
2013-01-01	37.6512
2014-01-01	34.7629
2015-01-01	31.5964
2016-01-01	29.4576
2017-01-01	29.9790