| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 4.69 | 吨/公顷 | 2026-9 |
| 2025/2026 | 4.695 | 吨/公顷 | 2026-9 |
| 2024/2025 | 4.692 | 吨/公顷 | 2026-9 |
| 2023/2024 | 4.662 | 吨/公顷 | 2026-9 |
| 2022/2023 | 4.613 | 吨/公顷 | 2026-9 |
| 2021/2022 | 4.599 | 吨/公顷 | 2026-9 |
| 2020/2021 | 4.596 | 吨/公顷 | 2026-9 |
| 2019/2020 | 4.599 | 吨/公顷 | 2026-9 |
| 2018/2019 | 4.544 | 吨/公顷 | 2026-9 |
| 2017/2018 | 4.504 | 吨/公顷 | 2026-9 |
| 2016/2017 | 4.468 | 吨/公顷 | 2026-9 |
| 2015/2016 | 4.408 | 吨/公顷 | 2026-9 |
| 2014/2015 | 4.419 | 吨/公顷 | 2026-9 |
| 2013/2014 | 4.397 | 吨/公顷 | 2026-9 |
| 2012/2013 | 4.432 | 吨/公顷 | 2026-9 |
| 2011/2012 | 4.377 | 吨/公顷 | 2026-9 |
| 2010/2011 | 4.253 | 吨/公顷 | 2026-9 |
| 2009/2010 | 4.212 | 吨/公顷 | 2026-9 |
| 2008/2009 | 4.227 | 吨/公顷 | 2026-9 |
| 2007/2008 | 4.164 | 吨/公顷 | 2026-9 |
| 2006/2007 | 4.048 | 吨/公顷 | 2026-9 |
| 2005/2006 | 4.038 | 吨/公顷 | 2026-9 |
| 2004/2005 | 3.941 | 吨/公顷 | 2026-9 |
| 2003/2004 | 3.914 | 吨/公顷 | 2026-9 |
| 2002/2003 | 3.811 | 吨/公顷 | 2026-9 |
| 2001/2002 | 3.919 | 吨/公顷 | 2026-9 |
| 2000/2001 | 3.891 | 吨/公顷 | 2026-9 |
| 1999/2000 | 3.906 | 吨/公顷 | 2026-9 |
| 1998/1999 | 3.829 | 吨/公顷 | 2026-9 |
| 1997/1998 | 3.791 | 吨/公顷 | 2026-9 |
| 1996/1997 | 3.754 | 吨/公顷 | 2026-9 |
| 1995/1996 | 3.689 | 吨/公顷 | 2026-9 |
| 1994/1995 | 3.665 | 吨/公顷 | 2026-9 |
| 1993/1994 | 3.621 | 吨/公顷 | 2026-9 |
| 1992/1993 | 3.579 | 吨/公顷 | 2026-9 |
| 1991/1992 | 3.544 | 吨/公顷 | 2026-9 |
| 1990/1991 | 3.534 | 吨/公顷 | 2026-9 |
| 1989/1990 | 3.453 | 吨/公顷 | 2026-9 |
| 1988/1989 | 3.348 | 吨/公顷 | 2026-9 |
| 1987/1988 | 3.286 | 吨/公顷 | 2026-9 |
| 1986/1987 | 3.209 | 吨/公顷 | 2026-9 |
| 1985/1986 | 3.23 | 吨/公顷 | 2026-9 |
| 1984/1985 | 3.228 | 吨/公顷 | 2026-9 |
| 1983/1984 | 3.118 | 吨/公顷 | 2026-9 |
| 1982/1983 | 2.976 | 吨/公顷 | 2026-9 |
| 1981/1982 | 2.828 | 吨/公顷 | 2026-9 |
| 1980/1981 | 2.749 | 吨/公顷 | 2026-9 |
| 1979/1980 | 2.657 | 吨/公顷 | 2026-9 |
| 1978/1979 | 2.688 | 吨/公顷 | 2026-9 |
| 1977/1978 | 2.575 | 吨/公顷 | 2026-9 |
| 1976/1977 | 2.454 | 吨/公顷 | 2026-9 |
| 1975/1976 | 2.501 | 吨/公顷 | 2026-9 |
| 1974/1975 | 2.403 | 吨/公顷 | 2026-9 |
| 1973/1974 | 2.449 | 吨/公顷 | 2026-9 |
| 1972/1973 | 2.311 | 吨/公顷 | 2026-9 |
| 1971/1972 | 2.348 | 吨/公顷 | 2026-9 |
| 1970/1971 | 2.356 | 吨/公顷 | 2026-9 |
| 1969/1970 | 2.247 | 吨/公顷 | 2026-9 |
| 1968/1969 | 2.223 | 吨/公顷 | 2026-9 |
| 1967/1968 | 2.18 | 吨/公顷 | 2026-9 |
| 1966/1967 | 2.085 | 吨/公顷 | 2026-9 |
| 1965/1966 | 2.045 | 吨/公顷 | 2026-9 |
| 1964/1965 | 2.117 | 吨/公顷 | 2026-9 |
| 1963/1964 | 2.05 | 吨/公顷 | 2026-9 |
| 1962/1963 | 1.905 | 吨/公顷 | 2026-9 |
| 1961/1962 | 1.862 | 吨/公顷 | 2026-9 |
| 1960/1961 | 1.836 | 吨/公顷 | 2026-9 |