Year	Percent of GDP
2004-01-01	2.6206
2005-01-01	4.5999
2006-01-01	4.6921
2007-01-01	5.3315
2008-01-01	4.7879
2009-01-01	6.5006
2010-01-01	6.7741
2011-01-01	7.5071
2012-01-01	7.4572
2013-01-01	7.2756
2014-01-01	7.2650
2015-01-01	6.8581
2016-01-01	7.1846
2017-01-01	8.6936