| Country | 2021 Production (tonnes) | % Correct |
|---|---|---|
| China | 360,000,000 | 98%
|
| Brazil | 380,000,000 | 95%
|
| United States | 46,000,000 | 95%
|
| Australia | 900,000,000 | 91%
|
| India | 240,000,000 | 91%
|
| Russia | 100,000,000 | 91%
|
| Canada | 68,000,000 | 88%
|
| Mexico | 17,000,000 | 84%
|
| Turkey | 16,000,000 | 77%
|
| South Africa | 61,000,000 | 74%
|
| Chile | 19,000,000 | 72%
|
| Kazakhstan | 64,000,000 | 70%
|
| Peru | 16,000,000 | 70%
|
| Ukraine | 81,000,000 | 70%
|
| Iran | 50,000,000 | 67%
|
| Sweden | 40,000,000 | 49%
|