Year	Number
2004-01-01	1023
2005-01-01	1038
2006-01-01	1096
2007-01-01	1151
2008-01-01	1037
2009-01-01	1022
2010-01-01	1072
2011-01-01	1084
2012-01-01	1061
2013-01-01	1038
2014-01-01	1015
2015-01-01	1013
2016-01-01	1012