Year	Percent of GDP
2004-01-01	13.7308188528402
2005-01-01	13.4067590823747
2006-01-01	13.6693331320202
2007-01-01	13.7975240804288
2008-01-01	13.2294506060266
2009-01-01	13.4307130803700
2010-01-01	14.3642735182004
2011-01-01	17.1033483793684
2012-01-01	16.9618035385819
2013-01-01	16.2626932025753
2014-01-01	17.6981608722945
2015-01-01	17.6224666306799
2016-01-01	16.5664224763253
2017-01-01	16.7379195449672
2018-01-01	17.3387908057255
2019-01-01	17.5711495596885