Year	Percent of GDP
2005-01-01	23.3663
2006-01-01	16.3411
2007-01-01	16.4866
2008-01-01	16.0073
2009-01-01	15.2229
2010-01-01	15.6241
2011-01-01	14.5192
2012-01-01	15.9237
2013-01-01	16.3481
2014-01-01	16.5684
2015-01-01	16.4539
2016-01-01	18.0601