Year	Percent of GDP
2008-01-01	0.3070
2009-01-01	0.3862
2010-01-01	0.4025
2011-01-01	0.2529
2012-01-01	0.2180
2013-01-01	0.3028
2014-01-01	0.3278
2015-01-01	0.4152
2016-01-01	0.4709
2017-01-01	0.5749