Year	Number
2004-01-01	0.837117473
2005-01-01	0.832345191
2006-01-01	0.823351279
2007-01-01	0.703482237
2008-01-01	0.807494489
2009-01-01	0.800441014
2010-01-01	0.805666546
2011-01-01	0.826984692
2012-01-01	0.831020125
2013-01-01	0.834603911
2014-01-01	0.833617457