Year	Number
2004-01-01	63
2005-01-01	71
2006-01-01	65
2007-01-01	71
2008-01-01	79
2009-01-01	81
2010-01-01	105
2011-01-01	87
2012-01-01	86
2013-01-01	85
2014-01-01	82
2015-01-01	73
2016-01-01	73