Year	Percent of GDP
2004-01-01	16.2050396045408
2005-01-01	20.3155497451953
2006-01-01	17.1119217707793
2007-01-01	18.8092805891515
2008-01-01	20.0488323757212
2009-01-01	17.9362435873973
2010-01-01	18.0406175337839
2011-01-01	15.4285117205602
2012-01-01	14.9147998181352
2013-01-01	18.7047683082914
2014-01-01	21.4842132605893
2015-01-01	13.7763577521424
2016-01-01	15.7605344844120
2017-01-01	17.4511999288196
2018-01-01	16.2707467471780
2019-01-01	16.9709236704255