Year	Percent of GDP
2004-01-01	23.0273113360059
2005-01-01	22.6878392876571
2006-01-01	22.0907100394610
2007-01-01	23.4431096392506
2008-01-01	26.1128564500238
2009-01-01	25.7802591054252
2010-01-01	28.0327433873964
2011-01-01	31.2067850966344
2012-01-01	30.1281777820053
2013-01-01	32.4912379266623
2014-01-01	34.8803174569477
2015-01-01	34.7913006225529
2016-01-01	31.6324106936148
2017-01-01	28.4316502108095
