Year	Percent of GDP
2004-01-01	27.9400
2005-01-01	26.9510
2006-01-01	23.9142
2007-01-01	23.5462
2008-01-01	21.5620
2009-01-01	23.6553
2010-01-01	26.8626
2011-01-01	27.6181
2012-01-01	29.5842
2013-01-01	31.4462
2014-01-01	36.0677
2015-01-01	43.1406