| 序号 | 时间 (年) |
数据 (千吨) |
|---|---|---|
| 1 | 2025 | |
| 2 | 2024 | |
| 3 | 2023 | |
| 4 | 2022 | |
| 5 | 2021 | |
| 6 | 2020 | |
| 7 | 2019 | 14.00 |
| 8 | 2018 | 11.00 |
| 9 | 2017 | 13.00 |
| 10 | 2016 | 12.00 |
| 11 | 1989 | 2.00 |
| 12 | 1988 | 10.00 |
| 13 | 1987 | 20.00 |
| 14 | 1986 | 9.00 |
| 15 | 1985 | 11.00 |
| 16 | 1984 | 17.00 |
| 17 | 1983 | 20.00 |
| 18 | 1982 | 27.00 |
| 19 | 1981 | 14.00 |
| 20 | 1980 | 26.00 |
