Year	Number
2004-01-01	213203
2005-01-01	231326
2006-01-01	261394
2007-01-01	269545
2008-01-01	276264
2009-01-01	254267
2010-01-01	278774
2011-01-01	222179
2012-01-01	274256
2013-01-01	260702
2014-01-01	280689