Year	Number
2005-01-01	179.0625
2006-01-01	197.7220
2007-01-01	216.9566
2008-01-01	243.8592
2009-01-01	266.9628
2010-01-01	292.9083
2011-01-01	311.7701
2012-01-01	278.7643
2013-01-01	247.2550
2014-01-01	248.9706
2015-01-01	242.8446
2016-01-01	234.0958
2017-01-01	243.2558