Year	Number
2004-01-01	120.4971
2005-01-01	118.0333
2006-01-01	116.2733
2007-01-01	113.9179
2008-01-01	116.4720
2009-01-01	148.4252
2010-01-01	154.8687
2011-01-01	137.2124
