| Characteristic | Production in million metric tons |
|---|---|
| - | - |
| - | - |
| - | - |
| - | - |
| - | - |
| - | - |
| - | - |
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Region
Worldwide
Survey time period
2012 to 2018
Supplementary notes
Figures have been rounded.
* Figures prior to 2016 come from previous reporting.
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