Year	Percent of GDP
2007-01-01	0.8698
2008-01-01	0.9108
2009-01-01	1.0106
2010-01-01	1.0754
2011-01-01	1.0729
2012-01-01	1.2369
2013-01-01	1.3473
2014-01-01	1.5376
2015-01-01	1.6635
2016-01-01	1.7934
2017-01-01	2.0230