Ikindi cyegeranyo, cyibanze ku bantu bari mu kigero kiri hagati y'imyaka 18 kugera kuri 34 y'amavuko, cyasanze umubare w'isugi n'imanzi wariyongereye cyane mu myaka 10 ishize: abagera hafi kuri 45% bavuze ko batarigera bakora imibonano mpuzabitsina na rimwe.
