Year	Number
2004-01-01	277.7569
2005-01-01	377.4796
2006-01-01	216.7778
2007-01-01	231.8157
2008-01-01	258.3181
2009-01-01	247.4556
2010-01-01	260.6248
2011-01-01	298.1865
2012-01-01	282.1284
2013-01-01	198.3440
2014-01-01	191.6256
2015-01-01	167.5183
2016-01-01	155.8557