Year	Number
2005-01-01	2847
2006-01-01	3046
2007-01-01	3276
2008-01-01	3354
2009-01-01	3638
2010-01-01	3475
2011-01-01	3447
2012-01-01	3534
2013-01-01	3577
2014-01-01	3606
2015-01-01	3536