Year	Percent of GDP
2005-01-01	28.2643
2006-01-01	27.3136
2007-01-01	25.1811
2008-01-01	24.0465
2009-01-01	22.3242
2010-01-01	21.3717
2011-01-01	23.5987
2012-01-01	24.4011
2013-01-01	26.8168
2014-01-01	27.7422
2015-01-01	28.3014
2016-01-01	27.4058