| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 2.333 | 吨/公顷 | 2026-9 |
| 2025/2026 | 2.276 | 吨/公顷 | 2026-9 |
| 2024/2025 | 1.209 | 吨/公顷 | 2026-9 |
| 2023/2024 | 0.833 | 吨/公顷 | 2026-9 |
| 2022/2023 | 1.737 | 吨/公顷 | 2026-9 |
| 2021/2022 | 1.541 | 吨/公顷 | 2026-9 |
| 2020/2021 | 1.281 | 吨/公顷 | 2026-9 |
| 2019/2020 | 1.936 | 吨/公顷 | 2026-9 |
| 2018/2019 | 0.987 | 吨/公顷 | 2026-9 |
| 2017/2018 | 1.015 | 吨/公顷 | 2026-9 |
| 2016/2017 | 1.171 | 吨/公顷 | 2026-9 |
| 2015/2016 | 0.96 | 吨/公顷 | 2026-9 |
| 2014/2015 | 1.432 | 吨/公顷 | 2026-9 |
| 2013/2014 | 1.251 | 吨/公顷 | 2026-9 |
| 2012/2013 | 1.238 | 吨/公顷 | 2026-9 |
| 2011/2012 | 1.214 | 吨/公顷 | 2026-9 |
| 2010/2011 | 1.281 | 吨/公顷 | 2026-9 |
| 2009/2010 | 1.578 | 吨/公顷 | 2026-9 |
| 2008/2009 | 0.985 | 吨/公顷 | 2026-9 |
| 2007/2008 | 1.224 | 吨/公顷 | 2026-9 |
| 2006/2007 | 0.819 | 吨/公顷 | 2026-9 |
| 2005/2006 | 1.221 | 吨/公顷 | 2026-9 |
| 2004/2005 | 1.104 | 吨/公顷 | 2026-9 |
| 2003/2004 | 1.659 | 吨/公顷 | 2026-9 |
| 2002/2003 | 0.918 | 吨/公顷 | 2026-9 |
| 2001/2002 | 1.189 | 吨/公顷 | 2026-9 |
| 2000/2001 | 0.648 | 吨/公顷 | 2026-9 |
| 1999/2000 | 0.884 | 吨/公顷 | 2026-9 |
| 1998/1999 | 1 | 吨/公顷 | 2026-9 |
| 1997/1998 | 0.769 | 吨/公顷 | 2026-9 |
| 1996/1997 | 1.209 | 吨/公顷 | 2026-9 |
| 1995/1996 | 1.518 | 吨/公顷 | 2026-9 |
| 1994/1995 | 0.58 | 吨/公顷 | 2026-9 |
| 1993/1994 | 0.4 | 吨/公顷 | 2026-9 |
| 1992/1993 | 1.133 | 吨/公顷 | 2026-9 |
| 1991/1992 | 1.306 | 吨/公顷 | 2026-9 |
| 1990/1991 | 0.939 | 吨/公顷 | 2026-9 |
| 1989/1990 | 0.485 | 吨/公顷 | 2026-9 |
| 1988/1989 | 0.417 | 吨/公顷 | 2026-9 |
| 1987/1988 | 0.84 | 吨/公顷 | 2026-9 |
| 1986/1987 | 0.548 | 吨/公顷 | 2026-9 |
| 1985/1986 | 0.836 | 吨/公顷 | 2026-9 |
| 1984/1985 | 0.538 | 吨/公顷 | 2026-9 |
| 1983/1984 | 0.48 | 吨/公顷 | 2026-9 |
| 1982/1983 | 0.858 | 吨/公顷 | 2026-9 |
| 1981/1982 | 0.61 | 吨/公顷 | 2026-9 |
| 1980/1981 | 0.775 | 吨/公顷 | 2026-9 |
| 1979/1980 | 0.421 | 吨/公顷 | 2026-9 |
| 1978/1979 | 0.402 | 吨/公顷 | 2026-9 |
| 1977/1978 | 0.222 | 吨/公顷 | 2026-9 |
| 1976/1977 | 0.686 | 吨/公顷 | 2026-9 |
| 1975/1976 | 0.912 | 吨/公顷 | 2026-9 |
| 1974/1975 | 0.671 | 吨/公顷 | 2026-9 |
| 1973/1974 | 0.576 | 吨/公顷 | 2026-9 |
| 1972/1973 | 0.684 | 吨/公顷 | 2026-9 |
| 1971/1972 | 0.457 | 吨/公顷 | 2026-9 |
| 1970/1971 | 0.368 | 吨/公顷 | 2026-9 |
| 1969/1970 | 0.235 | 吨/公顷 | 2026-9 |
| 1968/1969 | 0.356 | 吨/公顷 | 2026-9 |
| 1967/1968 | 0.209 | 吨/公顷 | 2026-9 |
| 1966/1967 | 0.212 | 吨/公顷 | 2026-9 |
| 1965/1966 | 0.309 | 吨/公顷 | 2026-9 |
| 1964/1965 | 0.211 | 吨/公顷 | 2026-9 |
| 1963/1964 | 0.443 | 吨/公顷 | 2026-9 |
| 1962/1963 | 0.323 | 吨/公顷 | 2026-9 |
| 1961/1962 | 0.117 | 吨/公顷 | 2026-9 |
| 1960/1961 | 0.194 | 吨/公顷 | 2026-9 |