| 年度 | 数值 | 单位 | 发布时间 |
|---|
| 2026/2027 | 6.762 | 吨/公顷 | 2026-9 |
| 2025/2026 | 6.7 | 吨/公顷 | 2026-9 |
| 2024/2025 | 6.592 | 吨/公顷 | 2026-9 |
| 2023/2024 | 6.532 | 吨/公顷 | 2026-9 |
| 2022/2023 | 6.436 | 吨/公顷 | 2026-9 |
| 2021/2022 | 6.291 | 吨/公顷 | 2026-9 |
| 2020/2021 | 6.317 | 吨/公顷 | 2026-9 |
| 2019/2020 | 6.317 | 吨/公顷 | 2026-9 |
| 2018/2019 | 6.104 | 吨/公顷 | 2026-9 |
| 2017/2018 | 6.11 | 吨/公顷 | 2026-9 |
| 2016/2017 | 5.967 | 吨/公顷 | 2026-9 |
| 2015/2016 | 5.893 | 吨/公顷 | 2026-9 |
| 2014/2015 | 5.809 | 吨/公顷 | 2026-9 |
| 2013/2014 | 6.016 | 吨/公顷 | 2026-9 |
| 2012/2013 | 5.87 | 吨/公顷 | 2026-9 |
| 2011/2012 | 5.747 | 吨/公顷 | 2026-9 |
| 2010/2011 | 5.454 | 吨/公顷 | 2026-9 |
| 2009/2010 | 5.259 | 吨/公顷 | 2026-9 |
| 2008/2009 | 5.556 | 吨/公顷 | 2026-9 |
| 2007/2008 | 5.167 | 吨/公顷 | 2026-9 |
| 2006/2007 | 5.326 | 吨/公顷 | 2026-9 |
| 2005/2006 | 5.287 | 吨/公顷 | 2026-9 |
| 2004/2005 | 5.12 | 吨/公顷 | 2026-9 |
| 2003/2004 | 4.813 | 吨/公顷 | 2026-9 |
| 2002/2003 | 4.924 | 吨/公顷 | 2026-9 |
| 2001/2002 | 4.699 | 吨/公顷 | 2026-9 |
| 2000/2001 | 4.598 | 吨/公顷 | 2026-9 |
| 1999/2000 | 4.945 | 吨/公顷 | 2026-9 |
| 1998/1999 | 5.268 | 吨/公顷 | 2026-9 |
| 1997/1998 | 4.387 | 吨/公顷 | 2026-9 |
| 1996/1997 | 5.203 | 吨/公顷 | 2026-9 |
| 1995/1996 | 4.919 | 吨/公顷 | 2026-9 |
| 1994/1995 | 4.694 | 吨/公顷 | 2026-9 |
| 1993/1994 | 4.964 | 吨/公顷 | 2026-9 |
| 1992/1993 | 4.533 | 吨/公顷 | 2026-9 |
| 1991/1992 | 4.578 | 吨/公顷 | 2026-9 |
| 1990/1991 | 4.524 | 吨/公顷 | 2026-9 |
| 1989/1990 | 3.878 | 吨/公顷 | 2026-9 |
| 1988/1989 | 3.928 | 吨/公顷 | 2026-9 |
| 1987/1988 | 3.92 | 吨/公顷 | 2026-9 |
| 1986/1987 | 3.705 | 吨/公顷 | 2026-9 |
| 1985/1986 | 3.607 | 吨/公顷 | 2026-9 |
| 1984/1985 | 3.96 | 吨/公顷 | 2026-9 |
| 1983/1984 | 3.623 | 吨/公顷 | 2026-9 |
| 1982/1983 | 3.266 | 吨/公顷 | 2026-9 |
| 1981/1982 | 3.048 | 吨/公顷 | 2026-9 |
| 1980/1981 | 3.076 | 吨/公顷 | 2026-9 |
| 1979/1980 | 2.982 | 吨/公顷 | 2026-9 |
| 1978/1979 | 2.803 | 吨/公顷 | 2026-9 |
| 1977/1978 | 2.513 | 吨/公顷 | 2026-9 |
| 1976/1977 | 2.504 | 吨/公顷 | 2026-9 |
| 1975/1976 | 2.539 | 吨/公顷 | 2026-9 |
| 1974/1975 | 2.465 | 吨/公顷 | 2026-9 |
| 1973/1974 | 2.331 | 吨/公顷 | 2026-9 |
| 1972/1973 | 1.922 | 吨/公顷 | 2026-9 |
| 1971/1972 | 2.143 | 吨/公顷 | 2026-9 |
| 1970/1971 | 2.086 | 吨/公顷 | 2026-9 |
| 1969/1970 | 1.762 | 吨/公顷 | 2026-9 |
| 1968/1969 | 1.736 | 吨/公顷 | 2026-9 |
| 1967/1968 | 1.888 | 吨/公顷 | 2026-9 |
| 1966/1967 | 1.695 | 吨/公顷 | 2026-9 |
| 1965/1966 | 1.51 | 吨/公顷 | 2026-9 |
| 1964/1965 | 1.477 | 吨/公顷 | 2026-9 |
| 1963/1964 | 1.338 | 吨/公顷 | 2026-9 |
| 1962/1963 | 1.63 | 吨/公顷 | 2026-9 |
| 1961/1962 | 1.569 | 吨/公顷 | 2026-9 |
| 1960/1961 | 1.018 | 吨/公顷 | 2026-9 |