| 年度 | 数值 | 单位 | 发布日期 |
| 2026/2027 | 307 | 千吨 | 2026-9 |
| 2025/2026 | 258 | 千吨 | 2026-9 |
| 2024/2025 | 250 | 千吨 | 2026-9 |
| 2023/2024 | 271 | 千吨 | 2026-9 |
| 2022/2023 | 230 | 千吨 | 2026-9 |
| 2021/2022 | 334 | 千吨 | 2026-9 |
| 2020/2021 | 384 | 千吨 | 2026-9 |
| 2019/2020 | 414 | 千吨 | 2026-9 |
| 2018/2019 | 377 | 千吨 | 2026-9 |
| 2017/2018 | 355 | 千吨 | 2026-9 |
| 2016/2017 | 355 | 千吨 | 2026-9 |
| 1990/1991 | 175 | 千吨 | 2026-9 |
| 1989/1990 | 184 | 千吨 | 2026-9 |
| 1988/1989 | 143 | 千吨 | 2026-9 |
| 1987/1988 | 132 | 千吨 | 2026-9 |
| 1986/1987 | 114 | 千吨 | 2026-9 |
| 1985/1986 | 87 | 千吨 | 2026-9 |
| 1984/1985 | 64 | 千吨 | 2026-9 |
| 1983/1984 | 59 | 千吨 | 2026-9 |
| 1982/1983 | 47 | 千吨 | 2026-9 |
| 1981/1982 | 37 | 千吨 | 2026-9 |
| 1980/1981 | 29 | 千吨 | 2026-9 |
| 1979/1980 | 49 | 千吨 | 2026-9 |
| 1978/1979 | 45 | 千吨 | 2026-9 |
| 1977/1978 | 25 | 千吨 | 2026-9 |
| 1976/1977 | 18 | 千吨 | 2026-9 |
| 1975/1976 | 16 | 千吨 | 2026-9 |
| 1974/1975 | 8 | 千吨 | 2026-9 |
| 1973/1974 | 18 | 千吨 | 2026-9 |
| 1972/1973 | 22 | 千吨 | 2026-9 |
| 1971/1972 | 29 | 千吨 | 2026-9 |
| 1970/1971 | 24 | 千吨 | 2026-9 |
| 1969/1970 | 34 | 千吨 | 2026-9 |
| 1968/1969 | 100 | 千吨 | 2026-9 |
| 1967/1968 | 66 | 千吨 | 2026-9 |
| 1966/1967 | 39 | 千吨 | 2026-9 |
| 1965/1966 | 5 | 千吨 | 2026-9 |
| 1964/1965 | 2 | 千吨 | 2026-9 |