Ma d ammud n IRCAM, yebḍa ula d netta ɣef aṭas n tantaliyin : 25 n wawalen id-yekkan si teqbaylit, ṭṭfen azal n 59, 52 % 6 n wawalen si tetargit, ṭṭefen azaln 14,28% 9 n wawalen d igrantalayen, ṭṭfen azal n 21, 42% 1 si tcelḥit, yeṭṭef azal n 2,38% 1 n wawal id-yekkan deg tantala n tmaziɣt n waṭlaṣ alemmas, yeṭṭef azal n 2, 38%.