Year	Number
2006-01-01	1.4029
2007-01-01	1.4029
2008-01-01	1.4467
2009-01-01	1.4467
2010-01-01	1.4467
2011-01-01	1.0083
2012-01-01	0.9206
2013-01-01	1.0083
2014-01-01	0.9206
2015-01-01	0.9206
2016-01-01	0.8768