Year	Percent of GDP
2004-01-01	25.2529
2005-01-01	25.7630
2006-01-01	25.1057
2007-01-01	27.7548
2008-01-01	31.7752
2009-01-01	33.7117
2010-01-01	36.8621
2011-01-01	33.4649
2012-01-01	34.1954
2013-01-01	33.6911
2014-01-01	38.0267
2015-01-01	35.7862
2016-01-01	33.9518
2017-01-01	17.6897