01/2007
bis 07/2014
SELECT COUNT( * )/COUNT(DISTINCT DATE(FROM_UNIXTIME(`created`))) FROM `stats` WHERE FROM_UNIXTIME(`created`) < '2014-05-03 14:59:00'
SELECT COUNT( * )/COUNT(DISTINCT DATE(FROM_UNIXTIME(`created`))) FROM `stats` WHERE FROM_UNIXTIME(`created`) >= '2014-05-03 14:59:00'