Year	Percent of GDP
2004-01-01	26.3593
2005-01-01	23.1461
2006-01-01	18.6266
2007-01-01	16.4161
2008-01-01	15.5557
2009-01-01	16.0309
2010-01-01	17.2887
2011-01-01	18.1884
2012-01-01	18.9941
2013-01-01	21.1502
2014-01-01	22.0512
2015-01-01	23.1178
2016-01-01	26.3943