Imibare yatanzwe n’ishyirahamwe mpuzamahanga ry’umuringa, mu mwaka wa 2019, ikigereranyo cy’ibiro 12,6 cy’umuringa cyakoreshejwe kuri buri modoka, kikaba cyiyongereyeho 14.5% bivuye kuri kg 11 mu 2016. Ubwiyongere bw’umuringa mu modoka ahanini buterwa no gukomeza kuvugurura ikoranabuhanga ryo gutwara , bisaba mo ...
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