Ku ya 15 Ukwakira, icyiciro cya gatatu cya raporo y’umusaruro wa Toppi mu 2021. Nk’uko raporo ibivuga, mu cyiciro cya gatatu cya 201, agace ka Rio Tinto gacukuramo Pilbara kohereje toni miliyoni 83.4 z’icyuma, ubwiyongere bwa 9% ugereranije n’ukwezi gushize n’ubwiyongere bwa 2%. Rio Tinto yagaragaje muri raporo ko bitewe n’ingaruka zo gucunga uduce duto, imishinga yo gusimbuza ubushobozi bwa brownfield ndetse n’itinda ry’igihe cya 202, umubare w’impanuka z’icyuma mu kirombe cya Pilbara mu cyiciro cya gatatu wari miliyari 833, hamwe n’igabanuka ryiza rya 4% n’ubwiyongere bwa 10% buri kwezi.
Byongeye kandi, bitewe na Rio Tinto, bitewe n’amarangamutima agaragara muri Ositaraliya y’Uburengerazuba, Umushinga wa Kuddedley Valley Brownfield n’Umushinga wo Gusimbuza Ubushobozi bwa Lobo River Green Brownfield byasubitswe gato. Ibikorwa byo kohereza ibyuma mu gace ka Pilbara gacukura amabuye y’agaciro muri Kanada mu 2021 bizaba miliyoni 320. Toni ~ miliyoni 320. Intego yo gukoresha briquettes z’icyuma zo muri Kanada na briquettes z’ifu nziza icyarimwe igera kuri toni 950 kugeza kuri toni 1050 (tekereza toni 1050 kugeza kuri toni 1200).