Year	Number
2006-01-01	1.3339
2007-01-01	1.4347
2008-01-01	1.4036
2009-01-01	1.5070
2010-01-01	1.0340
2011-01-01	0.8556
2012-01-01	0.9668
2013-01-01	0.9668
2014-01-01	1.2201
2015-01-01	1.4683
2016-01-01	1.4709