Tuget n wawalen i d-nufa d iḥerfiyen azal n 27%, awalen ireṭṭalen id-yekkan seg tutlayin nniḍen nufa-d 24%, ma dayen yenan uddisen: (amawalan 25%, adukklan 15%). Anager asuddem: ( anfalan nufa-d azal n 7% d uwṣilan azal 2%).