Year	Number
2004-01-01	75.55701008
2005-01-01	77.99071789
2006-01-01	87.12236144
2007-01-01	90.53562093
2008-01-01	89.02874681
2009-01-01	78.15136915
2010-01-01	72.84281298
2011-01-01	58.04011688
2012-01-01	62.07979439
2013-01-01	77.57130670
2014-01-01	61.69031783