Year	Number
2004-01-01	33.40254347
2005-01-01	48.65849954
2006-01-01	63.24249979
2007-01-01	40.97497228
2008-01-01	55.15724144
2009-01-01	74.72470661
2010-01-01	73.04000808
2011-01-01	16.99874835
2012-01-01	75.29483417
2013-01-01	54.25876915
2014-01-01	60.15615419