Year	Number
2004-01-01	236.9998
2005-01-01	258.1720
2006-01-01	274.8265
2007-01-01	287.2376
2008-01-01	283.6981
2009-01-01	280.2630
2010-01-01	276.7766
2011-01-01	258.3390
2012-01-01	258.7161
2013-01-01	251.9491
2014-01-01	238.3824
2015-01-01	229.0337
2016-01-01	223.8050