Year	Number
2004-01-01	2.8571
2005-01-01	2.8571
2006-01-01	2.8571
2007-01-01	2.8571
2008-01-01	2.8571
2009-01-01	2.8571
2010-01-01	8.5714
2011-01-01	8.5714
2012-01-01	14.2857
2013-01-01	14.2857
2014-01-01	14.2857
2015-01-01	14.2857
2016-01-01	14.2857