Year	Number
2004-01-01	1412
2005-01-01	1416
2006-01-01	1426
2007-01-01	1441
2008-01-01	1439
2009-01-01	1394
2010-01-01	1357
2011-01-01	1307
2012-01-01	1250
2013-01-01	1187
2014-01-01	1145
2015-01-01	1097
2016-01-01	1053
2017-01-01	1004