Year	Number
2004-01-01	9.2336
2005-01-01	10.7110
2006-01-01	10.4340
2007-01-01	10.5263
2008-01-01	10.7110
2009-01-01	10.6187
2010-01-01	10.8033
2011-01-01	10.5263
2012-01-01	10.4340
2013-01-01	10.5263
2014-01-01	10.4340
2015-01-01	10.4340
2016-01-01	10.3416