Year	Number
2004-01-01	810.9139
2005-01-01	848.3477
2006-01-01	654.5436
2007-01-01	806.9681
2008-01-01	816.9809
2009-01-01	1006.0872
2010-01-01	1017.8028
2011-01-01	1021.0443
2012-01-01	1042.4576
2013-01-01	1054.6513
2014-01-01	1029.6599
2015-01-01	987.9141
2016-01-01	953.9583
2017-01-01	942.4323