Year	Number
2004-01-01	68
2005-01-01	74
2006-01-01	92
2007-01-01	97
2008-01-01	99
2009-01-01	78
2010-01-01	84
2011-01-01	72
2012-01-01	72
2013-01-01	73
2014-01-01	75
2015-01-01	62
2016-01-01	54