49% yemmal-d afmiḍ n tefyar timsastanin (38), ma 18% yemmal-d amḍan n tefyar yebnan s wawal n tibawt (14), ma d 33%yemmal-d afmiḍi n ṣṣenf niḍen n yiseɣra yebnan ɣef yiwen wawal (26).