Year	Percent of GDP
2004-01-01	10.6092
2005-01-01	11.1879
2006-01-01	12.2585
2007-01-01	16.0575
2008-01-01	17.4825
2009-01-01	23.1184
2010-01-01	21.1275
2011-01-01	18.4302
2012-01-01	21.7788
2013-01-01	25.7636
2014-01-01	30.5308
2015-01-01	38.9196
2016-01-01	44.1546