Year	Number
2004-01-01	97.74672737
2005-01-01	97.75248025
2006-01-01	97.77385918
2007-01-01	97.79469442
2008-01-01	97.76219891
2009-01-01	97.67651115
2010-01-01	97.66517934
2011-01-01	97.63074079
2012-01-01	97.54623594
2013-01-01	97.46144797
2014-01-01	97.45249319
