Year	Number
2004-01-01	1281
2005-01-01	1076
2006-01-01	918
2007-01-01	856
2008-01-01	786
2009-01-01	707
2010-01-01	625
2011-01-01	579
2012-01-01	469
2013-01-01	432
2014-01-01	416
2015-01-01	344
2016-01-01	268