Year	Percent of GDP
2004-01-01	4.22983070145795
2005-01-01	4.26013413934793
2006-01-01	4.42251932989691
2007-01-01	3.58675717698813
2008-01-01	3.07184984085377
2009-01-01	3.53462850409328
2010-01-01	4.17263303104885
2011-01-01	7.01667035594121
2012-01-01	5.94650021934305
2013-01-01	7.16122526570466
2014-01-01	9.67674608683243
2015-01-01	11.51979867077280
2016-01-01	10.31247384433690
2017-01-01	8.82371144963541