Year	Number
2005-01-01	4502
2006-01-01	4563
2007-01-01	4683
2008-01-01	4749
2009-01-01	4812
2010-01-01	4527
2011-01-01	4603
2012-01-01	4785
2013-01-01	4973
2014-01-01	5431
2015-01-01	5419