MON-309 change as_count by as_rate and fix no data Approved-by: SJ <sjeoffroi@morea.fr> Approved-by: Alexandre Gaillet <alexandre.gaillet@fr.clara.net> Approved-by: Jean-Maxime LEBLANC <jean-maxime.leblanc@fr.clara.net> Approved-by: Laurent Piroelle <laurent.piroelle@fr.clara.net> Approved-by: Quentin Manfroi <quentin.manfroi@yahoo.fr>