Year Number 2005-01-01 196 2006-01-01 13657 2007-01-01 52207 2008-01-01 92975 2009-01-01 143891 2010-01-01 110837 2011-01-01 82081 2012-01-01 54863 2013-01-01 24668 2014-01-01 10709 2015-01-01 9767 2016-01-01 10968