Year	Percent of GDP
2004-01-01	10.6659319943623
2005-01-01	12.3468587024763
2006-01-01	14.1255264546794
2007-01-01	16.8240936749129
2008-01-01	17.4675603565413
2009-01-01	20.6774471560630
2010-01-01	21.6423240325059
2011-01-01	22.6517769125671
2012-01-01	21.3848587443661
2013-01-01	22.4866853201742
2014-01-01	22.8741061106315
2015-01-01	22.9777720533747
2016-01-01	24.0901487701615
2017-01-01	22.7639270516158