Insiguro y'isanamu, Abarobera ku nkengera y'ikiyaga bari mu babuza ifi kurondoka Tharcisse Ndayizeye wo mu runani rw'amashirahamwe aharanira ibidukikije OBEA, avuga ko umwimbu w'amafi wagabanutse gushika ku 25% hagati ya 1995 na 2011.
