Year	Number
2004-01-01	10
2005-01-01	14
2006-01-01	16
2007-01-01	18
2008-01-01	49
2009-01-01	55
2010-01-01	52
2011-01-01	84
2012-01-01	86
2013-01-01	79
2014-01-01	43
2015-01-01	44
2016-01-01	43