Year	Number
2004-01-01	89.59801077
2005-01-01	88.66763215
2006-01-01	86.79063803
2007-01-01	83.85041551
2011-01-01	82.52514368
2012-01-01	22.57356973
2013-01-01	14.99209754
2014-01-01	70.16669860