| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 1.308 | 吨/公顷 | 2026-9 |
| 2025/2026 | 1.323 | 吨/公顷 | 2026-9 |
| 2024/2025 | 1.323 | 吨/公顷 | 2026-9 |
| 2023/2024 | 1.35 | 吨/公顷 | 2026-9 |
| 2022/2023 | 1.722 | 吨/公顷 | 2026-9 |
| 2021/2022 | 1.585 | 吨/公顷 | 2026-9 |
| 2020/2021 | 1.484 | 吨/公顷 | 2026-9 |
| 2019/2020 | 1.455 | 吨/公顷 | 2026-9 |
| 2018/2019 | 1.279 | 吨/公顷 | 2026-9 |
| 2017/2018 | 1.4 | 吨/公顷 | 2026-9 |
| 2016/2017 | 1.218 | 吨/公顷 | 2026-9 |
| 2015/2016 | 1.036 | 吨/公顷 | 2026-9 |
| 2014/2015 | 1.199 | 吨/公顷 | 2026-9 |
| 2013/2014 | 1.261 | 吨/公顷 | 2026-9 |
| 2012/2013 | 1.24 | 吨/公顷 | 2026-9 |
| 2011/2012 | 1.199 | 吨/公顷 | 2026-9 |
| 2010/2011 | 1.342 | 吨/公顷 | 2026-9 |
| 2009/2010 | 1.27 | 吨/公顷 | 2026-9 |
| 2008/2009 | 1.313 | 吨/公顷 | 2026-9 |
| 2007/2008 | 1.521 | 吨/公顷 | 2026-9 |
| 2006/2007 | 1.26 | 吨/公顷 | 2026-9 |
| 2005/2006 | 1.071 | 吨/公顷 | 2026-9 |
| 2004/2005 | 1.242 | 吨/公顷 | 2026-9 |
| 2003/2004 | 1.402 | 吨/公顷 | 2026-9 |
| 2002/2003 | 1.194 | 吨/公顷 | 2026-9 |
| 2001/2002 | 1.175 | 吨/公顷 | 2026-9 |
| 2000/2001 | 1.17 | 吨/公顷 | 2026-9 |
| 1999/2000 | 1.316 | 吨/公顷 | 2026-9 |
| 1998/1999 | 1.354 | 吨/公顷 | 2026-9 |
| 1997/1998 | 1.327 | 吨/公顷 | 2026-9 |
| 1996/1997 | 1.303 | 吨/公顷 | 2026-9 |
| 1995/1996 | 1.279 | 吨/公顷 | 2026-9 |
| 1994/1995 | 1.514 | 吨/公顷 | 2026-9 |
| 1993/1994 | 1.514 | 吨/公顷 | 2026-9 |
| 1992/1993 | 1.098 | 吨/公顷 | 2026-9 |
| 1991/1992 | 1.689 | 吨/公顷 | 2026-9 |
| 1990/1991 | 1.17 | 吨/公顷 | 2026-9 |
| 1989/1990 | 0.962 | 吨/公顷 | 2026-9 |
| 1988/1989 | 1.172 | 吨/公顷 | 2026-9 |
| 1987/1988 | 1 | 吨/公顷 | 2026-9 |
| 1986/1987 | 0.711 | 吨/公顷 | 2026-9 |
| 1985/1986 | 0.818 | 吨/公顷 | 2026-9 |
| 1984/1985 | 0.9 | 吨/公顷 | 2026-9 |
| 1983/1984 | 0.833 | 吨/公顷 | 2026-9 |
| 1982/1983 | 0.826 | 吨/公顷 | 2026-9 |
| 1981/1982 | 0.833 | 吨/公顷 | 2026-9 |
| 1980/1981 | 0.714 | 吨/公顷 | 2026-9 |
| 1979/1980 | 0.333 | 吨/公顷 | 2026-9 |
| 1978/1979 | 0.25 | 吨/公顷 | 2026-9 |