Year	Number
2005-01-01	11
2006-01-01	11
2007-01-01	19
2008-01-01	28
2009-01-01	30
2010-01-01	29
2011-01-01	49
2012-01-01	49
2013-01-01	52
2014-01-01	54
2015-01-01	54
2016-01-01	62