| Rang | % production mondiale | Pays | % Correct |
|---|---|---|---|
| 7 | 2.1 | France | 100%
|
| 1 | 49.1 | Chine | 98%
|
| 2 | 5 | Etats-Unis | 98%
|
| 10 | 1.9 | Russie | 90%
|
| 5 | 2.7 | Italie | 88%
|
| 12 | 1.5 | Brésil | 86%
|
| 15 | 1.1 | Mexique | 86%
|
| 6 | 2.4 | Inde | 78%
|
| 11 | 1.5 | Argentine | 72%
|
| 3 | 3.9 | Turquie | 70%
|
| 4 | 3.8 | Pologne | 67%
|
| 13 | 1.5 | Ukraine | 61%
|
| 8 | 2.1 | Chili | 56%
|
| 9 | 2.1 | Iran | 48%
|
| 14 | 1.2 | Ouzbékistan | 7%
|