Year	Percent of GDP
2004-01-01	4.4565
2005-01-01	5.1798
2006-01-01	4.7166
2007-01-01	4.5958
2008-01-01	4.6763
2009-01-01	5.5750
2010-01-01	7.0537
2011-01-01	8.9249
2012-01-01	12.0613
2013-01-01	17.5203
2014-01-01	17.8361
2015-01-01	20.0985
2016-01-01	23.2202
