Year	Number
2004-01-01	2011
2005-01-01	2036
2006-01-01	2020
2007-01-01	507
2008-01-01	471
2009-01-01	527
2010-01-01	361
2011-01-01	459
2012-01-01	412
2013-01-01	408
2014-01-01	446
2015-01-01	433
2016-01-01	321