Year	Number
2009-01-01	11.6904
2010-01-01	10.6723
2011-01-01	11.5040
2012-01-01	11.0787
2013-01-01	11.7520
2014-01-01	11.6782
2015-01-01	11.4682
2016-01-01	9.5159