Year	Percent of GDP
2004-01-01	29.4850
2005-01-01	29.9624
2006-01-01	31.2459
2007-01-01	31.2788
2008-01-01	34.4115
2009-01-01	36.6691
2010-01-01	37.8532
2011-01-01	39.4427
2012-01-01	38.9372
2013-01-01	40.6703
2014-01-01	43.1490
2015-01-01	45.5505
2016-01-01	48.1742