Year	Number
2004-01-01	590.1617
2005-01-01	573.8491
2006-01-01	620.6656
2007-01-01	689.1016
2008-01-01	665.5383
2009-01-01	711.0850
2010-01-01	701.9497
2011-01-01	717.4196
2012-01-01	730.4633
2013-01-01	831.2070
2014-01-01	869.7651
2015-01-01	851.0015
2016-01-01	838.0891
2017-01-01	982.8536