Di tesleḍt i nexdem ɣef tuccḍiwin i d-newwi seg tenfaliyin n yinelmaden iɛerbawalen , nufa-d 03 n tuccḍiwin deg wayen yerzan ticreḍt n wurmir "ad" , mi neḥseb afmiḍi-nsent nufa-t-id 2,97% . ayen ad yefken azal n 10,69 deg wayen yerzan tiɣemmar ilmend n tseddarin ara ad nesbeyyen deg twinest tamasaɣt.