Year Number 2004-01-01 705 2005-01-01 777 2006-01-01 759 2007-01-01 854 2008-01-01 795 2009-01-01 642 2010-01-01 747 2011-01-01 788 2012-01-01 949 2013-01-01 879 2014-01-01 906 2015-01-01 745 2016-01-01 696