Year	Number
2004-01-01	110.9388
2005-01-01	105.4068
2006-01-01	100.6193
2007-01-01	97.5472
2008-01-01	94.5859
2009-01-01	90.9320
2010-01-01	88.6214
2011-01-01	85.9487
2012-01-01	82.9672
2013-01-01	81.6999
2014-01-01	79.5489
2015-01-01	76.8399
2016-01-01	76.1387
2017-01-01	73.0603
