Year	Number
2004-01-01	87.3749
2005-01-01	89.1776
2006-01-01	91.2585
2007-01-01	93.2053
2008-01-01	94.1469
2009-01-01	94.9009
2010-01-01	95.9809
2011-01-01	98.9522
2012-01-01	99.2712
2013-01-01	98.9505
2014-01-01	97.6245
2015-01-01	98.6984
2016-01-01	98.4321