| No. | Country | Production |
|---|---|---|
| 1 | China | 126.2 (metric tonnes) |
| 2 | India | 94.5 (metric tonnes) |
| 3 | Russia | 59.7 (metric tonnes) |
| 4 | United States | 55.4 (metric tonnes) |
| 5 | France | 39 (metric tonnes) |
| 6 | Canada | 29.3 (metric tonnes) |
| 7 | Germany | 27.8 (metric tonnes) |
| 8 | Pakistan | 26 (metric tonnes) |
| 9 | Australia | 25.3 (metric tonnes) |
| 10 | Ukraine | 24.1 (metric tonnes) |