Year Number 2006-01-01 103065 2007-01-01 245362 2008-01-01 164115 2009-01-01 117063 2010-01-01 79033 2011-01-01 47989 2012-01-01 44843 2013-01-01 40273 2014-01-01 31494 2015-01-01 26477 2016-01-01 41066 2017-01-01 21723