 Mu minsi iheze naho ubutegetsi bwa Tanzaniya bwafashe ingingo yo guturira inkoko 6400 zagaciro ka miliyoni 12 za Tanzaniya, ngo zikekwa ko zohava zikwiragiza ingwara yakamangu, ivyo bikaba vyateye impari mu bigo biharanira agateka kibikoko. 