Year	Number
2004-01-01	86.68982976
2005-01-01	86.23813427
2006-01-01	81.74111604
2007-01-01	79.94255925
2008-01-01	79.98236525
2009-01-01	79.36998885
2010-01-01	76.06780113
2011-01-01	76.70099815
2012-01-01	75.56440540
2013-01-01	68.62800876
2014-01-01	66.83665774
