Ku ya 15 Ukwakira, icyiciro cya gatatu cya raporo y’imikorere ya Toppi mu 2021. Nk’uko iyi raporo ibigaragaza, mu gice cya gatatu cy’umwaka wa 201, agace ka Pilbara ka Rio Tinto kwohereje toni miliyoni 83.4 z'icyuma, kikaba cyiyongereyeho 9% ugereranyije n’ukwezi gushize na a Kwiyongera 2% muri bombi.Rio Tinto yerekanye muri raporo ko kubera ingaruka z’imicungire y’imitsi, imishinga yo gusimbuza ubushobozi bwa brownfield no gutinda inshuro 202, umubare w’ibyuma byabereye mu kirombe cya Pilbara mu cyiciro cya gatatu wari miliyari 833, ukamanuka neza kwa 4% kandi ukwezi-ukwezi kwiyongera 10%.
Byongeye kandi, kubera Rio Tinto, kubera amarangamutima mu burengerazuba bwa Ositaraliya, Umushinga wa Kuddedley Valley Brownfield n'umushinga wo gusimbuza ubushobozi bwa Lobo River Green Brownfield wasubitswe gato.Igikorwa cyo kohereza ibyuma mu bucukuzi bwa Pilbara muri Kanada mu 2021 kizaba miliyoni 320.Toni ~ toni miliyoni 320.Intego ya briquettes yo muri Kanada hamwe na briquettes nziza yicyuma icyarimwe igera kuri toni 950 kugeza kuri toni 1050 (tekereza toni 1050 kugeza toni 1200).