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 185098 2013-01-01 212115 2014-01-01 257309 2015-01-01 208456 2016-01-01 235071