Year	Number
2004-01-01	49
2005-01-01	53
2006-01-01	63
2007-01-01	60
2008-01-01	68
2009-01-01	69
2010-01-01	52
2011-01-01	57
2012-01-01	62
2013-01-01	61
2014-01-01	58
2015-01-01	85
2016-01-01	85