Mi nega tasleḍt tasnalɣant i tayunin n wammud i d-negmer,nufa-d 43 n yismawen iḥerfiyen ṭṭfen azal 36,44%, nesɛa 5 n imyagen ṭṭfen azal 4,37%, nesɛa 49 n yismawen isuddimen ṭṭfen azal n 41,52%, nesɛa 14 n yismawen uddisen ṭṭfen azal n 11,86%, nesɛa 7 n yismawen ireṭṭalen ṭṭfen 5.93%, nufa-d ismawen isuddimen id yufraren s waṭas, si tama nniḍen nwala ulac aṭas n yimyagen.