Results are based on 26 survey responses, including 5 from the discovery phase (where questions varied from the alpha survey).
Mae’r canlyniadau’n seiliedig ar 26 o ymatebion i’r arolwg, gan gynnwys 5 o’r cyfnod darganfod (lle’r oedd y cwestiynau’n amrywio o’r arolwg alffa).