Year Number 2004-01-01 113368 2005-01-01 102485 2006-01-01 111029 2007-01-01 81539 2008-01-01 72886 2009-01-01 85890 2010-01-01 50792 2011-01-01 50790 2012-01-01 315112 2013-01-01 69424 2014-01-01 94325 2015-01-01 275350 2016-01-01 318172