Nemmeslay-d daɣen ɣef tefyirt taḥerfit d umkan teṭṭef deg wammud-nneɣ, tumyigin ṭṭfent azal n 11,30%, ma d tirumyigin ṭṭfent 4,79%. Si tama nniḍen nemmeslay-d ɣef yisemmaden yesɛan azal meqqren deg usileɣ n tefyirt taḥerfit, imi yis-sen ay temmed tefyirt.