Year	Number
2004-01-01	1249
2005-01-01	1205
2006-01-01	1143
2007-01-01	1092
2008-01-01	1058
2009-01-01	1007
2010-01-01	955
2011-01-01	922
2012-01-01	897
2013-01-01	859
2014-01-01	783
2015-01-01	681
2016-01-01	575