Year	Number
2004-01-01	66.16223854
2005-01-01	72.18937434
2006-01-01	73.89258907
2007-01-01	77.82735768
2008-01-01	76.27756914
2009-01-01	75.95402422
2010-01-01	84.79691534
2011-01-01	88.41643217
2012-01-01	50.27472018
2013-01-01	79.99539927
2014-01-01	89.45888528
