Year	Percent of GDP
2004-01-01	0.4223
2005-01-01	0.4727
2006-01-01	0.5505
2007-01-01	0.6062
2008-01-01	0.6095
2009-01-01	0.6644
2010-01-01	0.7768
2011-01-01	0.8712
2012-01-01	1.3494
2013-01-01	1.4606
2014-01-01	1.6611
2015-01-01	1.9924
2016-01-01	2.4036
2017-01-01	2.7841