| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 7.778 | 吨/公顷 | 2026-9 |
| 2025/2026 | 7.804 | 吨/公顷 | 2026-9 |
| 2024/2025 | 7.739 | 吨/公顷 | 2026-9 |
| 2023/2024 | 7.16 | 吨/公顷 | 2026-9 |
| 2022/2023 | 6.875 | 吨/公顷 | 2026-9 |
| 2021/2022 | 7.386 | 吨/公顷 | 2026-9 |
| 2020/2021 | 7.511 | 吨/公顷 | 2026-9 |
| 2019/2020 | 6.857 | 吨/公顷 | 2026-9 |
| 2018/2019 | 6.786 | 吨/公顷 | 2026-9 |
| 2017/2018 | 7.095 | 吨/公顷 | 2026-9 |
| 2016/2017 | 7 | 吨/公顷 | 2026-9 |
| 2015/2016 | 6.828 | 吨/公顷 | 2026-9 |
| 2014/2015 | 6.881 | 吨/公顷 | 2026-9 |
| 2013/2014 | 6.82 | 吨/公顷 | 2026-9 |
| 2012/2013 | 6.652 | 吨/公顷 | 2026-9 |
| 2011/2012 | 5.662 | 吨/公顷 | 2026-9 |
| 2010/2011 | 5.923 | 吨/公顷 | 2026-9 |
| 2009/2010 | 5.577 | 吨/公顷 | 2026-9 |
| 2008/2009 | 6.105 | 吨/公顷 | 2026-9 |
| 2007/2008 | 6.462 | 吨/公顷 | 2026-9 |
| 2006/2007 | 5.894 | 吨/公顷 | 2026-9 |
| 2005/2006 | 6.04 | 吨/公顷 | 2026-9 |
| 2004/2005 | 4.612 | 吨/公顷 | 2026-9 |
| 2003/2004 | 5.905 | 吨/公顷 | 2026-9 |
| 2002/2003 | 5.654 | 吨/公顷 | 2026-9 |
| 2001/2002 | 5.214 | 吨/公顷 | 2026-9 |
| 2000/2001 | 5 | 吨/公顷 | 2026-9 |
| 1999/2000 | 5 | 吨/公顷 | 2026-9 |
| 1998/1999 | 5 | 吨/公顷 | 2026-9 |
| 1997/1998 | 5 | 吨/公顷 | 2026-9 |
| 1996/1997 | 4.936 | 吨/公顷 | 2026-9 |
| 1995/1996 | 4.412 | 吨/公顷 | 2026-9 |
| 1994/1995 | 5.13 | 吨/公顷 | 2026-9 |
| 1993/1994 | 4.875 | 吨/公顷 | 2026-9 |
| 1992/1993 | 4.768 | 吨/公顷 | 2026-9 |
| 1991/1992 | 4.548 | 吨/公顷 | 2026-9 |
| 1990/1991 | 4.485 | 吨/公顷 | 2026-9 |
| 1989/1990 | 3.705 | 吨/公顷 | 2026-9 |
| 1988/1989 | 4.289 | 吨/公顷 | 2026-9 |
| 1987/1988 | 4.102 | 吨/公顷 | 2026-9 |
| 1986/1987 | 4 | 吨/公顷 | 2026-9 |
| 1985/1986 | 4.645 | 吨/公顷 | 2026-9 |
| 1984/1985 | 4.568 | 吨/公顷 | 2026-9 |
| 1983/1984 | 5.015 | 吨/公顷 | 2026-9 |
| 1982/1983 | 4.22 | 吨/公顷 | 2026-9 |
| 1981/1982 | 4 | 吨/公顷 | 2026-9 |
| 1980/1981 | 4.045 | 吨/公顷 | 2026-9 |
| 1979/1980 | 3.403 | 吨/公顷 | 2026-9 |
| 1978/1979 | 3.385 | 吨/公顷 | 2026-9 |
| 1977/1978 | 3.648 | 吨/公顷 | 2026-9 |
| 1976/1977 | 3.676 | 吨/公顷 | 2026-9 |
| 1975/1976 | 3.353 | 吨/公顷 | 2026-9 |
| 1974/1975 | 2.529 | 吨/公顷 | 2026-9 |
| 1973/1974 | 2.782 | 吨/公顷 | 2026-9 |
| 1972/1973 | 3.487 | 吨/公顷 | 2026-9 |
| 1971/1972 | 3.49 | 吨/公顷 | 2026-9 |
| 1970/1971 | 3.198 | 吨/公顷 | 2026-9 |
| 1969/1970 | 3.107 | 吨/公顷 | 2026-9 |
| 1968/1969 | 3.641 | 吨/公顷 | 2026-9 |
| 1967/1968 | 3.476 | 吨/公顷 | 2026-9 |
| 1966/1967 | 3.622 | 吨/公顷 | 2026-9 |
| 1965/1966 | 3.353 | 吨/公顷 | 2026-9 |
| 1964/1965 | 3.029 | 吨/公顷 | 2026-9 |
| 1963/1964 | 3.447 | 吨/公顷 | 2026-9 |
| 1962/1963 | 2.714 | 吨/公顷 | 2026-9 |
| 1961/1962 | 2.613 | 吨/公顷 | 2026-9 |
| 1960/1961 | 2.889 | 吨/公顷 | 2026-9 |