| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 3.688 | 吨/公顷 | 2026-9 |
| 2025/2026 | 3.687 | 吨/公顷 | 2026-9 |
| 2024/2025 | 3.822 | 吨/公顷 | 2026-9 |
| 2023/2024 | 3.81 | 吨/公顷 | 2026-9 |
| 2022/2023 | 3.721 | 吨/公顷 | 2026-9 |
| 2021/2022 | 4.307 | 吨/公顷 | 2026-9 |
| 2020/2021 | 4.157 | 吨/公顷 | 2026-9 |
| 2019/2020 | 2.843 | 吨/公顷 | 2026-9 |
| 2018/2019 | 3.714 | 吨/公顷 | 2026-9 |
| 2017/2018 | 3.12 | 吨/公顷 | 2026-9 |
| 2016/2017 | 3.76 | 吨/公顷 | 2026-9 |
| 2015/2016 | 2.988 | 吨/公顷 | 2026-9 |
| 2014/2015 | 3.669 | 吨/公顷 | 2026-9 |
| 2013/2014 | 3.703 | 吨/公顷 | 2026-9 |
| 2012/2013 | 3.66 | 吨/公顷 | 2026-9 |
| 2011/2012 | 3.314 | 吨/公顷 | 2026-9 |
| 2010/2011 | 2.563 | 吨/公顷 | 2026-9 |
| 2009/2010 | 3.053 | 吨/公顷 | 2026-9 |
| 2008/2009 | 2.848 | 吨/公顷 | 2026-9 |
| 2007/2008 | 3.014 | 吨/公顷 | 2026-9 |
| 2006/2007 | 2.752 | 吨/公顷 | 2026-9 |
| 2005/2006 | 2.358 | 吨/公顷 | 2026-9 |
| 2004/2005 | 2.024 | 吨/公顷 | 2026-9 |
| 2003/2004 | 2.059 | 吨/公顷 | 2026-9 |
| 2002/2003 | 2.466 | 吨/公顷 | 2026-9 |
| 2001/2002 | 2.597 | 吨/公顷 | 2026-9 |
| 2000/2001 | 2.515 | 吨/公顷 | 2026-9 |
| 1999/2000 | 2.403 | 吨/公顷 | 2026-9 |
| 1998/1999 | 2.519 | 吨/公顷 | 2026-9 |
| 1997/1998 | 1.652 | 吨/公顷 | 2026-9 |
| 1996/1997 | 2.096 | 吨/公顷 | 2026-9 |
| 1995/1996 | 1.431 | 吨/公顷 | 2026-9 |
| 1994/1995 | 1.77 | 吨/公顷 | 2026-9 |
| 1993/1994 | 1.855 | 吨/公顷 | 2026-9 |
| 1992/1993 | 1.774 | 吨/公顷 | 2026-9 |
| 1991/1992 | 1.488 | 吨/公顷 | 2026-9 |
| 1990/1991 | 1.098 | 吨/公顷 | 2026-9 |
| 1989/1990 | 1.107 | 吨/公顷 | 2026-9 |
| 1988/1989 | 1.781 | 吨/公顷 | 2026-9 |
| 1987/1988 | 1.813 | 吨/公顷 | 2026-9 |
| 1986/1987 | 1.205 | 吨/公顷 | 2026-9 |
| 1985/1986 | 0.861 | 吨/公顷 | 2026-9 |
| 1984/1985 | 1.159 | 吨/公顷 | 2026-9 |
| 1983/1984 | 1 | 吨/公顷 | 2026-9 |
| 1982/1983 | 1.226 | 吨/公顷 | 2026-9 |
| 1981/1982 | 1.309 | 吨/公顷 | 2026-9 |
| 1980/1981 | 0.906 | 吨/公顷 | 2026-9 |
| 1979/1980 | 1.097 | 吨/公顷 | 2026-9 |
| 1978/1979 | 0.899 | 吨/公顷 | 2026-9 |
| 1977/1978 | 1.091 | 吨/公顷 | 2026-9 |
| 1976/1977 | 1.199 | 吨/公顷 | 2026-9 |
| 1975/1976 | 1.002 | 吨/公顷 | 2026-9 |
| 1974/1975 | 0.856 | 吨/公顷 | 2026-9 |
| 1973/1974 | 0.924 | 吨/公顷 | 2026-9 |
| 1972/1973 | 0.866 | 吨/公顷 | 2026-9 |
| 1971/1972 | 0.831 | 吨/公顷 | 2026-9 |
| 1970/1971 | 0.723 | 吨/公顷 | 2026-9 |
| 1969/1970 | 0.711 | 吨/公顷 | 2026-9 |
| 1968/1969 | 0.747 | 吨/公顷 | 2026-9 |
| 1967/1968 | 0.83 | 吨/公顷 | 2026-9 |
| 1966/1967 | 0.483 | 吨/公顷 | 2026-9 |
| 1965/1966 | 0.482 | 吨/公顷 | 2026-9 |
| 1964/1965 | 0.804 | 吨/公顷 | 2026-9 |
| 1963/1964 | 0.579 | 吨/公顷 | 2026-9 |
| 1962/1963 | 0.513 | 吨/公顷 | 2026-9 |
| 1961/1962 | 0.619 | 吨/公顷 | 2026-9 |
| 1960/1961 | 0.614 | 吨/公顷 | 2026-9 |