Year	Number
2004-01-01	3002
2005-01-01	2766
2006-01-01	2717
2007-01-01	2724
2008-01-01	2729
2009-01-01	2731
2010-01-01	2730
2011-01-01	2777
2012-01-01	2778
2013-01-01	2778
2014-01-01	2674
2015-01-01	2639
2016-01-01	2630