Year Number 2004-01-01 37901 2005-01-01 37728 2006-01-01 37521 2007-01-01 37369 2008-01-01 37365 2009-01-01 37356 2010-01-01 37406 2011-01-01 37450 2012-01-01 37471 2013-01-01 37411 2014-01-01 37383 2015-01-01 37651 2016-01-01 37591 2017-01-01 37464