Year	Number
2004-01-01	118
2005-01-01	118
2006-01-01	114
2007-01-01	123
2008-01-01	117
2009-01-01	112
2010-01-01	113
2011-01-01	116
2012-01-01	111
2013-01-01	108
2014-01-01	113
2015-01-01	111
2016-01-01	113