Year	Percent of GDP
2004-01-01	7.75105219211937
2005-01-01	8.65531018804879
2006-01-01	9.91541338832150
2007-01-01	11.77123688936470
2008-01-01	13.90561920398870
2009-01-01	13.23166486957740
2010-01-01	13.66859338848420
2011-01-01	14.44644574174420
2012-01-01	14.66671479440910
2013-01-01	14.64720280860900
2014-01-01	15.57017408552930
2015-01-01	17.05049094515240
2016-01-01	16.15799013214340
2017-01-01	14.89571831141540