Year	Number
2004-01-01	38
2005-01-01	47
2006-01-01	60
2007-01-01	76
2008-01-01	72
2009-01-01	63
2010-01-01	58
2011-01-01	68
2012-01-01	87
2013-01-01	84
2014-01-01	104
2015-01-01	107