Year	Number
2004-01-01	7237
2005-01-01	7256
2006-01-01	7268
2007-01-01	7644
2008-01-01	7790
2009-01-01	7837
2010-01-01	8310
2011-01-01	8558
2012-01-01	8693
2013-01-01	8707
2014-01-01	8423
2015-01-01	8423
2016-01-01	8307