Year	Number
2004-01-01	1245
2005-01-01	1278
2006-01-01	1333
2007-01-01	1403
2008-01-01	1455
2009-01-01	1557
2010-01-01	1636
2011-01-01	1757
2012-01-01	1985
2013-01-01	2002
2014-01-01	2110
2015-01-01	2286