Year	Percent of GDP
2004-01-01	24.5002
2005-01-01	23.8771
2006-01-01	23.3432
2007-01-01	23.3470
2008-01-01	23.7218
2009-01-01	24.0508
2010-01-01	22.7332
2011-01-01	22.1733
2012-01-01	21.9719
2013-01-01	21.5471
2014-01-01	21.3004
2015-01-01	21.1545
2016-01-01	21.4276
2017-01-01	22.7540