Year	Number
2004-01-01	65
2005-01-01	63
2006-01-01	69
2007-01-01	73
2008-01-01	82
2009-01-01	93
2010-01-01	95
2011-01-01	100
2012-01-01	104
2013-01-01	106
2014-01-01	117
2015-01-01	124