| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 3.612 | 吨/公顷 | 2026-9 |
| 2025/2026 | 3.595 | 吨/公顷 | 2026-9 |
| 2024/2025 | 3.559 | 吨/公顷 | 2026-9 |
| 2023/2024 | 3.521 | 吨/公顷 | 2026-9 |
| 2022/2023 | 3.414 | 吨/公顷 | 2026-9 |
| 2021/2022 | 3.521 | 吨/公顷 | 2026-9 |
| 2020/2021 | 3.44 | 吨/公顷 | 2026-9 |
| 2019/2020 | 3.534 | 吨/公顷 | 2026-9 |
| 2018/2019 | 3.368 | 吨/公顷 | 2026-9 |
| 2017/2018 | 3.2 | 吨/公顷 | 2026-9 |
| 2016/2017 | 2.879 | 吨/公顷 | 2026-9 |
| 2015/2016 | 2.75 | 吨/公顷 | 2026-9 |
| 2014/2015 | 3.145 | 吨/公顷 | 2026-9 |
| 2013/2014 | 3.117 | 吨/公顷 | 2026-9 |
| 2012/2013 | 3.177 | 吨/公顷 | 2026-9 |
| 2011/2012 | 2.989 | 吨/公顷 | 2026-9 |
| 2010/2011 | 2.84 | 吨/公顷 | 2026-9 |
| 2009/2010 | 2.907 | 吨/公顷 | 2026-9 |
| 2008/2009 | 2.802 | 吨/公顷 | 2026-9 |
| 2007/2008 | 2.708 | 吨/公顷 | 2026-9 |
| 2006/2007 | 2.619 | 吨/公顷 | 2026-9 |
| 2005/2006 | 2.602 | 吨/公顷 | 2026-9 |
| 2004/2005 | 2.713 | 吨/公顷 | 2026-9 |
| 2003/2004 | 2.61 | 吨/公顷 | 2026-9 |
| 2002/2003 | 2.762 | 吨/公顷 | 2026-9 |
| 2001/2002 | 2.708 | 吨/公顷 | 2026-9 |
| 2000/2001 | 2.779 | 吨/公顷 | 2026-9 |
| 1999/2000 | 2.59 | 吨/公顷 | 2026-9 |
| 1998/1999 | 2.485 | 吨/公顷 | 2026-9 |
| 1997/1998 | 2.679 | 吨/公顷 | 2026-9 |
| 1996/1997 | 2.483 | 吨/公顷 | 2026-9 |
| 1995/1996 | 2.557 | 吨/公顷 | 2026-9 |
| 1994/1995 | 2.384 | 吨/公顷 | 2026-9 |
| 1993/1994 | 2.327 | 吨/公顷 | 2026-9 |
| 1992/1993 | 2.394 | 吨/公顷 | 2026-9 |
| 1991/1992 | 2.281 | 吨/公顷 | 2026-9 |
| 1990/1991 | 2.121 | 吨/公顷 | 2026-9 |
| 1989/1990 | 2.244 | 吨/公顷 | 2026-9 |
| 1988/1989 | 2.002 | 吨/公顷 | 2026-9 |
| 1987/1988 | 1.916 | 吨/公顷 | 2026-9 |
| 1986/1987 | 2.046 | 吨/公顷 | 2026-9 |
| 1985/1986 | 1.87 | 吨/公顷 | 2026-9 |
| 1984/1985 | 1.843 | 吨/公顷 | 2026-9 |
| 1983/1984 | 1.816 | 吨/公顷 | 2026-9 |
| 1982/1983 | 1.691 | 吨/公顷 | 2026-9 |
| 1981/1982 | 1.63 | 吨/公顷 | 2026-9 |
| 1980/1981 | 1.436 | 吨/公顷 | 2026-9 |
| 1979/1980 | 1.568 | 吨/公顷 | 2026-9 |
| 1978/1979 | 1.48 | 吨/公顷 | 2026-9 |
| 1977/1978 | 1.387 | 吨/公顷 | 2026-9 |
| 1976/1977 | 1.41 | 吨/公顷 | 2026-9 |
| 1975/1976 | 1.338 | 吨/公顷 | 2026-9 |
| 1974/1975 | 1.172 | 吨/公顷 | 2026-9 |
| 1973/1974 | 1.271 | 吨/公顷 | 2026-9 |
| 1972/1973 | 1.38 | 吨/公顷 | 2026-9 |
| 1971/1972 | 1.307 | 吨/公顷 | 2026-9 |
| 1970/1971 | 1.209 | 吨/公顷 | 2026-9 |
| 1969/1970 | 1.169 | 吨/公顷 | 2026-9 |
| 1968/1969 | 1.103 | 吨/公顷 | 2026-9 |
| 1967/1968 | 0.887 | 吨/公顷 | 2026-9 |
| 1966/1967 | 0.827 | 吨/公顷 | 2026-9 |
| 1965/1966 | 0.913 | 吨/公顷 | 2026-9 |
| 1964/1965 | 0.73 | 吨/公顷 | 2026-9 |
| 1963/1964 | 0.793 | 吨/公顷 | 2026-9 |
| 1962/1963 | 0.89 | 吨/公顷 | 2026-9 |
| 1961/1962 | 0.851 | 吨/公顷 | 2026-9 |
| 1960/1961 | 0.771 | 吨/公顷 | 2026-9 |