| 維基見習編輯 |
不定期退網。
| Year | Production (in 10,000 tons) |
|---|---|
| 2000 | 3.56 |
| 2005 | 6.43 |
| 2010 | 15.21 |
| 2015 | 22.92 |
| 2016 | 23.42 |
| 2017 | 25.51 |
| 2018 | 27.22 |
| 2019 | 28.70 |
| 2020 | 28.33 |
| 2021 | 27.88 |
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