Year	Percent of GDP
2004-01-01	1.3281
2005-01-01	1.9643
2006-01-01	2.6169
2007-01-01	2.1587
2008-01-01	2.6120
2009-01-01	3.6479
2010-01-01	5.3049
2011-01-01	5.5532
2012-01-01	7.7992
2013-01-01	8.2803
2014-01-01	9.0785
2015-01-01	11.9771
2016-01-01	12.2205
2017-01-01	12.7180