Year	Number
2005-01-01	18.36342099
2006-01-01	25.70754228
2007-01-01	32.08655058
2008-01-01	37.19772725
2009-01-01	39.74519405
2010-01-01	52.65894930
2011-01-01	49.94701185
2012-01-01	51.62324483
