Year	Percent of GDP
2004-01-01	20.4786
2005-01-01	22.0075
2006-01-01	20.5738
2007-01-01	23.1734
2008-01-01	27.5909
2009-01-01	27.2133
2010-01-01	27.2745
2011-01-01	25.8601
2012-01-01	26.8813
2013-01-01	30.5864
2014-01-01	30.4954
2015-01-01	34.0018
2016-01-01	31.4240
2017-01-01	34.2226