| 序号 | 时间 (年) |
数据 (千吨) |
|---|---|---|
| 1 | 2025 | |
| 2 | 2024 | |
| 3 | 2023 | |
| 4 | 2022 | |
| 5 | 2021 | |
| 6 | 2020 | |
| 7 | 2019 | 26.00 |
| 8 | 2018 | 29.00 |
| 9 | 2017 | 32.00 |
| 10 | 2016 | 39.00 |
| 11 | 2015 | 37.00 |
| 12 | 2014 | 33.00 |
| 13 | 2013 | 40.00 |
| 14 | 2012 | 30.00 |
| 15 | 2011 | 30.00 |
| 16 | 2010 | 11.00 |
| 17 | 2006 | 2.00 |
| 18 | 1971 | 1.00 |
