Year Number 2005-01-01 49443 2006-01-01 59046 2007-01-01 67333 2008-01-01 76965 2009-01-01 84068 2010-01-01 93018 2011-01-01 104258 2012-01-01 114677 2013-01-01 136376 2014-01-01 159119 2015-01-01 168062 2016-01-01 178597