Year	Percent of GDP
2004-01-01	16.2964
2005-01-01	21.3113
2006-01-01	25.6538
2007-01-01	29.8221
2008-01-01	33.9864
2009-01-01	35.5572
2010-01-01	41.2942
2011-01-01	44.5600
2012-01-01	45.6342
2013-01-01	51.9293
2014-01-01	54.7276
2015-01-01	57.2891
2016-01-01	60.1437
2017-01-01	72.1661