Year	Number
2004-01-01	8363
2005-01-01	8400
2006-01-01	8759
2007-01-01	9460
2008-01-01	10465
2009-01-01	10561
2010-01-01	10311
2011-01-01	10451
2012-01-01	10913
2013-01-01	10599
2014-01-01	10597
2015-01-01	10002
2016-01-01	9969