Year	Number
2004-01-01	106
2005-01-01	101
2006-01-01	102
2007-01-01	98
2008-01-01	93
2009-01-01	86
2010-01-01	64
2011-01-01	62
2012-01-01	54
2013-01-01	42
2014-01-01	43
2015-01-01	40