| Rank | Country | Production (kt) | % Correct |
|---|---|---|---|
| 3 | China | 375.000 | 100%
|
| 8/9 | United States | 46.000 | 99%
|
| 4 | India | 156.000 | 98%
|
| 8/9 | Canada | 46.000 | 96%
|
| 2 | Brazil | 397.000 | 94%
|
| 5 | Russia | 101.000 | 94%
|
| 1 | Australia | 817.000 | 93%
|
| 13 | Mexico | 18.840 | 86%
|
| 14 | Chile | 17.109 | 83%
|
| 6 | South Africa | 73.000 | 79%
|
| 19 | Peru | 10.126 | 75%
|
| 12 | Kazakhstan | 21.000 | 70%
|
| 10 | Iran | 27.000 | 68%
|
| 7 | Ukraine | 67.000 | 66%
|
| 11 | Sweden | 25.000 | 56%
|
| 15 | Venezuela | 16.800 | 53%
|
| 18 | Malaysia | 11.588 | 38%
|
| 16 | Mauritania | 13.400 | 12%
|
| 17 | Sierra Leone | 11.895 | 4%
|