Amakuru aheruka yashyizwe ahagaragara muri Biro ya Australiya (ABS) yerekana ko muri Mutarama 2021, ibyoherezwa muri Ositaraliya byagabanutseho 9% by'ukwezi-ukwezi (miliyari 3 z'amadolari).
Ugereranije n'icyuma gikomeye cyohereza mu Kuboza umwaka ushize, agaciro k'amateka yo muri Ositaraliya muri Mutarama yaguye kuri 7% (miliyoni 963). Muri Mutarama, icyuma cy'icyuma cya Ositaraliya cyagabanutseho toni miliyoni 10.4 kuva mu kwezi gushize, igitonyanga cya 13%. Bivugwa ko muri Mutarama, bigira ingaruka ku nkoko tropique lucas (Inkubi y'umuyaga), icyambu cya Metiland mu Burengerazuba bwa Ositaraliya cyahanaguriye amato manini, byagize ingaruka ku byoherezwa mu mahanga.
Icyakora, ibiro bya Australiya byagaragaje ko imbaraga zikomeje ibiciro by'icyuma zifungura igice cyo kugabanuka mu byoherezwa mu mahanga. Kutwarwa no gukomeza gukenera gukomeye mu Bushinwa no hasi-munsi y'ibiciro by'icyuma cya Burezili, ibiciro by'icyuma byazamutse kuri 7% kuri toni muri Mutarama.
Muri Mutarama, ibyoherezwa mu makara yo muri Ositaraliya byagabanutseho 8% by'ukwezi-ukwezi (miliyoni 277). Ibiro bishinzwe imibare bya Australiya byagaragaje ko nyuma yo kwiyongera gukabije mu Kuboza umwaka ushize, mu Buyapani kohereza amakara yohereza amakara mu mahanga.
Kugabanuka koherezwa mu makara yohereza ibicuruzwa hanze byafunguwe igice no kwiyongera kw'amakara yohereza ibicuruzwa mu mahanga no kohereza muri gaze yo mu mahanga. Muri Mutarama, ibyoherezwa muri Leta isanzwe byoherezwa mu mahanga byiyongereyeho 9% ukwezi - ukwezi (Audi 249).