Year	Number
2004-01-01	4945
2005-01-01	4410
2006-01-01	4044
2007-01-01	4047
2008-01-01	3950
2009-01-01	4028
2010-01-01	3768
2011-01-01	3223
2012-01-01	2991
2013-01-01	3258
2014-01-01	3486