Year	Percent of GDP
2005-01-01	21.3540
2006-01-01	22.8888
2007-01-01	23.9233
2008-01-01	26.6146
2009-01-01	28.8670
2010-01-01	28.3064
2011-01-01	27.0933
2012-01-01	26.2550
2013-01-01	26.7583
2014-01-01	26.9619
2015-01-01	27.9860
2016-01-01	31.1418
2017-01-01	36.4531