Year	Percent of GDP
2004-01-01	4.7255
2005-01-01	3.9489
2006-01-01	4.3715
2007-01-01	5.1776
2008-01-01	4.7470
2009-01-01	6.5584
2010-01-01	7.1348
2011-01-01	7.9102
2012-01-01	9.3398
2013-01-01	10.9928
2014-01-01	12.1808
2015-01-01	17.4217
2016-01-01	12.3335