| 序号 | 时间 (年) |
数据 (千吨) |
|---|---|---|
| 1 | 2025 | |
| 2 | 2024 | |
| 3 | 2023 | |
| 4 | 2022 | |
| 5 | 2021 | |
| 6 | 2020 | |
| 7 | 2019 | 144.00 |
| 8 | 2018 | 141.00 |
| 9 | 2017 | 128.00 |
| 10 | 2016 | 111.00 |
| 11 | 1990 | 295.00 |
| 12 | 1989 | 324.00 |
| 13 | 1988 | 315.00 |
| 14 | 1987 | 313.00 |
| 15 | 1986 | 299.00 |
| 16 | 1985 | 290.00 |
| 17 | 1984 | 289.00 |
| 18 | 1983 | 228.00 |
| 19 | 1982 | 216.00 |
| 20 | 1981 | 283.00 |
| 21 | 1980 | 243.00 |
| 22 | 1979 | 285.00 |
| 23 | 1978 | 305.00 |
| 24 | 1977 | 257.00 |
| 25 | 1976 | 297.00 |
| 26 | 1975 | 344.00 |
| 27 | 1974 | 310.00 |
| 28 | 1973 | 317.00 |
| 29 | 1972 | 399.00 |
| 30 | 1971 | 481.00 |
| 31 | 1970 | 418.00 |
| 32 | 1969 | 477.00 |
| 33 | 1968 | 554.00 |
| 34 | 1967 | 587.00 |
| 35 | 1966 | 481.00 |
| 36 | 1965 | 396.00 |
| 37 | 1964 | 447.00 |
