Year	Number
2009-01-01	447.5375
2010-01-01	466.6916
2011-01-01	480.8032
2012-01-01	470.2517
2013-01-01	459.8690
2014-01-01	460.4971
2015-01-01	534.5918
2016-01-01	545.5476