Muna Kubvumbi 2021, huwandu hwesimbi isina kucheneswa hwakaburitswa nenyika makumi matanhatu nemana dziri muhuwandu hweWorld Iron and Steel Association hwaive matani mamiriyoni zana nemakumi matanhatu nemapfumbamwe nehafu, zvichiwedzera ne23.3% pagore.

Muna Kubvumbi 2021, kugadzirwa kwesimbi isina kucheneswa muChina kwaive matani mamiriyoni 97.9, kuwedzera ne13.4 muzana pagore;

Kugadzirwa kwesimbi isina kucheneswa muIndia kwaive matani mamiriyoni 8.3, zvichikwira ne152.1% pagore;

Kuburitswa kwesimbi isina kucheneswa muJapan kwaive matani mamiriyoni 7.8, zvichikwira ne18.9% pagore;

Kugadzirwa kwesimbi isina kucheneswa muUS kwaive matani mamiriyoni 6.9, zvichikwira ne43.0% pagore;

Kugadzirwa kwesimbi isina kuchekwa muRussia kunofungidzirwa kuva matani mamiriyoni 6.5, zvichikwira ne15.1% pagore;

Kugadzirwa kwesimbi isina kucheneswa muSouth Korea kunofungidzirwa kuva matani mamiriyoni 5.9, zvichikwira ne15.4% pagore;

Kugadzirwa kwesimbi isina kuchekwa muGermany kunofungidzirwa kuva matani mamiriyoni 3.4, zvichikwira ne31.5% pagore;

Kugadzirwa kwesimbi isina kucheneswa muTurkey kwaive matani mamiriyoni 3.3, zvichikwira ne46.6% gore rega rega;

Kugadzirwa kwesimbi isina kucheneswa muBrazil kwaive matani mamiriyoni 3.1, zvichikwira ne31.5% pagore;

Kugadzirwa kwesimbi isina kuchekwa muIran kunofungidzirwa kuva matani mamiriyoni maviri nehafu, zvichikwira ne6.4 muzana pagore.