Year	Number
2004-01-01	261465
2005-01-01	242201
2006-01-01	267093
2007-01-01	396150
2008-01-01	283664
2009-01-01	242697
2010-01-01	260437
2011-01-01	246016
2012-01-01	201071
2013-01-01	183903
2014-01-01	257309
2015-01-01	224147
2016-01-01	243654