Year Number 2004-01-01 799 2005-01-01 825 2006-01-01 830 2007-01-01 847 2008-01-01 861 2009-01-01 885 2010-01-01 912 2011-01-01 948 2012-01-01 962 2013-01-01 985 2014-01-01 1020 2015-01-01 1039 2016-01-01 1056 2017-01-01 1065