Ranks 10th with 1.4 million metric tonnes.
Ranks 9th with 1.5 million metric tonnes.
Ranks 8th with 1.6 million metric tonnes.
Ranks 7th with 1.7 million metric tonnes.
Ranks 6th with 2.1 million metric tonnes.
Ranks 5th with 2.4 million metric tonnes.
Ranks 4th with 2.7 million metric tonnes.
Ranks 3rd with 3.6 million metric tonnes.
Ranks 2nd with 3.8 million metric tonnes.
The largest producer with 25 million metric tonnes.