Iterambere ryibyuma bya galvalume yubushinwa biratinda.Muri 2018, isoko ry’inganda ryari hafi miliyari 119.55, byiyongereyeho 1,3% umwaka ushize.Mu myaka yashize, impuzandengo yo kwiyongera kw'isoko yabaye munsi ya 2%.
Kubijyanye no gutanga no gukenera, nyuma yimyaka yo guhindura no guhatanira isoko, Ubushinwagalvalume icyumainganda zagiye zihinduka buhoro buhoro.Isoko ryo gutanga isoko nibisabwa biringaniye.Igipimo cyo gukora no kugurisha kiri hejuru ya 90% buri mwaka, kandi ibicuruzwa byinshi byoherezwa hanze buri mwaka.