Year	Number
2004-01-01	1304
2005-01-01	1303
2006-01-01	1313
2007-01-01	1351
2008-01-01	1387
2009-01-01	1379
2010-01-01	1413
2011-01-01	1422
2012-01-01	1404
2013-01-01	1384
2014-01-01	1375
2015-01-01	1327
2016-01-01	1289