Year	Number
2004-01-01	11444
2005-01-01	11827
2006-01-01	12415
2007-01-01	12598
2008-01-01	12676
2009-01-01	12728
2010-01-01	12872
2011-01-01	12962
2012-01-01	12958
2013-01-01	13007
2014-01-01	13048
2015-01-01	13087
2016-01-01	13149