Year	Number
2004-01-01	7987.9297
2005-01-01	7827.3010
2006-01-01	7574.8262
2007-01-01	7275.7057
2008-01-01	7174.1271
2009-01-01	7122.6743
2010-01-01	7107.1776
2011-01-01	7144.1449
2012-01-01	7239.1305
2013-01-01	7269.0902
2014-01-01	7249.1396
2015-01-01	7211.2141
2016-01-01	7190.4449
2017-01-01	7256.1286