| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 3.548 | 吨/公顷 | 2026-9 |
| 2025/2026 | 3.705 | 吨/公顷 | 2026-9 |
| 2024/2025 | 2.85 | 吨/公顷 | 2026-9 |
| 2023/2024 | 3.11 | 吨/公顷 | 2026-9 |
| 2022/2023 | 3.729 | 吨/公顷 | 2026-9 |
| 2021/2022 | 3.195 | 吨/公顷 | 2026-9 |
| 2020/2021 | 2.732 | 吨/公顷 | 2026-9 |
| 2019/2020 | 3.38 | 吨/公顷 | 2026-9 |
| 2018/2019 | 3.692 | 吨/公顷 | 2026-9 |
| 2017/2018 | 3.856 | 吨/公顷 | 2026-9 |
| 2016/2017 | 2.919 | 吨/公顷 | 2026-9 |
| 1990/1991 | 3.077 | 吨/公顷 | 2026-9 |
| 1989/1990 | 2.951 | 吨/公顷 | 2026-9 |
| 1988/1989 | 3.059 | 吨/公顷 | 2026-9 |
| 1987/1988 | 3.487 | 吨/公顷 | 2026-9 |
| 1986/1987 | 3.144 | 吨/公顷 | 2026-9 |
| 1985/1986 | 3.024 | 吨/公顷 | 2026-9 |
| 1984/1985 | 3.439 | 吨/公顷 | 2026-9 |
| 1983/1984 | 2.545 | 吨/公顷 | 2026-9 |
| 1982/1983 | 3.333 | 吨/公顷 | 2026-9 |
| 1981/1982 | 2.6 | 吨/公顷 | 2026-9 |
| 1980/1981 | 3.261 | 吨/公顷 | 2026-9 |
| 1979/1980 | 2.676 | 吨/公顷 | 2026-9 |
| 1978/1979 | 2.422 | 吨/公顷 | 2026-9 |
| 1977/1978 | 2.582 | 吨/公顷 | 2026-9 |
| 1976/1977 | 2.313 | 吨/公顷 | 2026-9 |
| 1975/1976 | 1.564 | 吨/公顷 | 2026-9 |
| 1974/1975 | 2.2 | 吨/公顷 | 2026-9 |
| 1973/1974 | 2.214 | 吨/公顷 | 2026-9 |
| 1972/1973 | 2 | 吨/公顷 | 2026-9 |
| 1971/1972 | 2 | 吨/公顷 | 2026-9 |
| 1970/1971 | 2 | 吨/公顷 | 2026-9 |
| 1969/1970 | 2.2 | 吨/公顷 | 2026-9 |
| 1968/1969 | 2.167 | 吨/公顷 | 2026-9 |
| 1967/1968 | 1.875 | 吨/公顷 | 2026-9 |
| 1966/1967 | 1.5 | 吨/公顷 | 2026-9 |
| 1965/1966 | 1.5 | 吨/公顷 | 2026-9 |
| 1964/1965 | 1.5 | 吨/公顷 | 2026-9 |