Year	Number
2004-01-01	0.993197279
2005-01-01	0.503521127
2006-01-01	0.901459854
2007-01-01	0.874509804
2008-01-01	0.848623853
2009-01-01	0.859296482
2010-01-01	0.842857143
2011-01-01	0.972972973
2012-01-01	0.582010582
2013-01-01	0.576923077
2014-01-01	0.812785388