| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 4.183 | 吨/公顷 | 2026-9 |
| 2025/2026 | 4.144 | 吨/公顷 | 2026-9 |
| 2024/2025 | 4.191 | 吨/公顷 | 2026-9 |
| 2023/2024 | 3.975 | 吨/公顷 | 2026-9 |
| 2022/2023 | 3.789 | 吨/公顷 | 2026-9 |
| 2021/2022 | 3.474 | 吨/公顷 | 2026-9 |
| 2020/2021 | 3.817 | 吨/公顷 | 2026-9 |
| 2019/2020 | 3.805 | 吨/公顷 | 2026-9 |
| 2018/2019 | 3.76 | 吨/公顷 | 2026-9 |
| 2017/2018 | 3.505 | 吨/公顷 | 2026-9 |
| 2016/2017 | 3.37 | 吨/公顷 | 2026-9 |
| 2015/2016 | 3.154 | 吨/公顷 | 2026-9 |
| 2014/2015 | 3.361 | 吨/公顷 | 2026-9 |
| 2013/2014 | 3.394 | 吨/公顷 | 2026-9 |
| 2012/2013 | 3.297 | 吨/公顷 | 2026-9 |
| 2011/2012 | 3.316 | 吨/公顷 | 2026-9 |
| 2010/2011 | 2.984 | 吨/公顷 | 2026-9 |
| 2009/2010 | 2.719 | 吨/公顷 | 2026-9 |
| 2008/2009 | 2.909 | 吨/公顷 | 2026-9 |
| 2007/2008 | 2.778 | 吨/公顷 | 2026-9 |
| 2006/2007 | 2.559 | 吨/公顷 | 2026-9 |
| 2005/2006 | 2.72 | 吨/公顷 | 2026-9 |
| 2004/2005 | 2.785 | 吨/公顷 | 2026-9 |
| 2003/2004 | 2.86 | 吨/公顷 | 2026-9 |
| 2002/2003 | 2.678 | 吨/公顷 | 2026-9 |
| 2001/2002 | 2.748 | 吨/公顷 | 2026-9 |
| 2000/2001 | 2.706 | 吨/公顷 | 2026-9 |
| 1999/2000 | 2.6 | 吨/公顷 | 2026-9 |
| 1998/1999 | 2.452 | 吨/公顷 | 2026-9 |
| 1997/1998 | 2.42 | 吨/公顷 | 2026-9 |
| 1996/1997 | 2.459 | 吨/公顷 | 2026-9 |
| 1995/1996 | 2.394 | 吨/公顷 | 2026-9 |
| 1994/1995 | 2.126 | 吨/公顷 | 2026-9 |
| 1993/1994 | 2.412 | 吨/公顷 | 2026-9 |
| 1992/1993 | 2.05 | 吨/公顷 | 2026-9 |
| 1991/1992 | 2.284 | 吨/公顷 | 2026-9 |
| 1990/1991 | 2.41 | 吨/公顷 | 2026-9 |
| 1989/1990 | 2.366 | 吨/公顷 | 2026-9 |
| 1988/1989 | 2.263 | 吨/公顷 | 2026-9 |
| 1987/1988 | 2.096 | 吨/公顷 | 2026-9 |
| 1986/1987 | 2.101 | 吨/公顷 | 2026-9 |
| 1985/1986 | 2.015 | 吨/公顷 | 2026-9 |
| 1984/1985 | 1.967 | 吨/公顷 | 2026-9 |
| 1983/1984 | 2.069 | 吨/公顷 | 2026-9 |
| 1982/1983 | 1.448 | 吨/公顷 | 2026-9 |
| 1981/1982 | 1.975 | 吨/公顷 | 2026-9 |
| 1980/1981 | 1.931 | 吨/公顷 | 2026-9 |
| 1979/1980 | 1.643 | 吨/公顷 | 2026-9 |
| 1978/1979 | 1.852 | 吨/公顷 | 2026-9 |
| 1977/1978 | 1.805 | 吨/公顷 | 2026-9 |
| 1976/1977 | 1.891 | 吨/公顷 | 2026-9 |
| 1975/1976 | 2.074 | 吨/公顷 | 2026-9 |
| 1974/1975 | 1.978 | 吨/公顷 | 2026-9 |
| 1973/1974 | 1.969 | 吨/公顷 | 2026-9 |
| 1972/1973 | 1.822 | 吨/公顷 | 2026-9 |
| 1971/1972 | 2.062 | 吨/公顷 | 2026-9 |
| 1970/1971 | 1.95 | 吨/公顷 | 2026-9 |
| 1969/1970 | 1.911 | 吨/公顷 | 2026-9 |
| 1968/1969 | 1.874 | 吨/公顷 | 2026-9 |
| 1967/1968 | 1.836 | 吨/公顷 | 2026-9 |
| 1966/1967 | 1.825 | 吨/公顷 | 2026-9 |
| 1965/1966 | 1.987 | 吨/公顷 | 2026-9 |
| 1964/1965 | 1.999 | 吨/公顷 | 2026-9 |
| 1963/1964 | 1.935 | 吨/公顷 | 2026-9 |
| 1962/1963 | 1.918 | 吨/公顷 | 2026-9 |
| 1961/1962 | 1.938 | 吨/公顷 | 2026-9 |
| 1960/1961 | 1.828 | 吨/公顷 | 2026-9 |