Year	Percent of GDP
2004-01-01	11.6030
2005-01-01	12.7564
2006-01-01	14.1434
2007-01-01	15.5064
2008-01-01	14.1626
2009-01-01	19.0712
2010-01-01	20.9782
2011-01-01	19.6600
2012-01-01	21.0437
2013-01-01	23.5629
2014-01-01	23.1156
2015-01-01	27.4497
2016-01-01	27.6949