| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 3.458 | 吨/公顷 | 2026-9 |
| 2025/2026 | 3.4 | 吨/公顷 | 2026-9 |
| 2024/2025 | 3.458 | 吨/公顷 | 2026-9 |
| 2023/2024 | 3.506 | 吨/公顷 | 2026-9 |
| 2022/2023 | 3.499 | 吨/公顷 | 2026-9 |
| 2021/2022 | 3.47 | 吨/公顷 | 2026-9 |
| 2020/2021 | 3.373 | 吨/公顷 | 2026-9 |
| 2019/2020 | 3.141 | 吨/公顷 | 2026-9 |
| 2018/2019 | 3.482 | 吨/公顷 | 2026-9 |
| 2017/2018 | 3.367 | 吨/公顷 | 2026-9 |
| 2016/2017 | 3.166 | 吨/公顷 | 2026-9 |
| 2015/2016 | 3.33 | 吨/公顷 | 2026-9 |
| 2014/2015 | 3.656 | 吨/公顷 | 2026-9 |
| 2013/2014 | 4.1 | 吨/公顷 | 2026-9 |
| 2012/2013 | 3.756 | 吨/公顷 | 2026-9 |
| 2011/2012 | 3.82 | 吨/公顷 | 2026-9 |
| 2010/2011 | 3.838 | 吨/公顷 | 2026-9 |
| 2009/2010 | 3.868 | 吨/公顷 | 2026-9 |
| 2008/2009 | 3.739 | 吨/公顷 | 2026-9 |
| 2007/2008 | 3.493 | 吨/公顷 | 2026-9 |
| 2006/2007 | 3.643 | 吨/公顷 | 2026-9 |
| 2005/2006 | 3.503 | 吨/公顷 | 2026-9 |
| 2004/2005 | 3.485 | 吨/公顷 | 2026-9 |
| 2003/2004 | 3.842 | 吨/公顷 | 2026-9 |
| 2002/2003 | 3.445 | 吨/公顷 | 2026-9 |
| 2001/2002 | 3.122 | 吨/公顷 | 2026-9 |
| 2000/2001 | 3.104 | 吨/公顷 | 2026-9 |
| 1999/2000 | 3.241 | 吨/公顷 | 2026-9 |
| 1998/1999 | 3.282 | 吨/公顷 | 2026-9 |
| 1997/1998 | 3.161 | 吨/公顷 | 2026-9 |
| 1996/1997 | 2.952 | 吨/公顷 | 2026-9 |
| 1995/1996 | 3.213 | 吨/公顷 | 2026-9 |
| 1994/1995 | 3 | 吨/公顷 | 2026-9 |
| 1993/1994 | 2.924 | 吨/公顷 | 2026-9 |
| 1992/1993 | 2.998 | 吨/公顷 | 2026-9 |
| 1991/1992 | 3.018 | 吨/公顷 | 2026-9 |
| 1990/1991 | 2.846 | 吨/公顷 | 2026-9 |
| 1989/1990 | 2.885 | 吨/公顷 | 2026-9 |
| 1988/1989 | 2.827 | 吨/公顷 | 2026-9 |
| 1987/1988 | 2.909 | 吨/公顷 | 2026-9 |
| 1986/1987 | 3.185 | 吨/公顷 | 2026-9 |
| 1985/1986 | 2.846 | 吨/公顷 | 2026-9 |
| 1984/1985 | 3.154 | 吨/公顷 | 2026-9 |
| 1983/1984 | 2.857 | 吨/公顷 | 2026-9 |
| 1982/1983 | 2.546 | 吨/公顷 | 2026-9 |
| 1981/1982 | 2.857 | 吨/公顷 | 2026-9 |
| 1980/1981 | 3.455 | 吨/公顷 | 2026-9 |
| 1979/1980 | 2.222 | 吨/公顷 | 2026-9 |
| 1978/1979 | 2.909 | 吨/公顷 | 2026-9 |
| 1977/1978 | 2.8 | 吨/公顷 | 2026-9 |
| 1976/1977 | 2.735 | 吨/公顷 | 2026-9 |
| 1975/1976 | 2.833 | 吨/公顷 | 2026-9 |
| 1974/1975 | 2.427 | 吨/公顷 | 2026-9 |
| 1973/1974 | 2.5 | 吨/公顷 | 2026-9 |
| 1972/1973 | 2 | 吨/公顷 | 2026-9 |
| 1971/1972 | 2.444 | 吨/公顷 | 2026-9 |
| 1970/1971 | 2.5 | 吨/公顷 | 2026-9 |
| 1969/1970 | 2.444 | 吨/公顷 | 2026-9 |
| 1968/1969 | 2.483 | 吨/公顷 | 2026-9 |
| 1967/1968 | 2.414 | 吨/公顷 | 2026-9 |
| 1966/1967 | 2.45 | 吨/公顷 | 2026-9 |
| 1965/1966 | 2.379 | 吨/公顷 | 2026-9 |
| 1964/1965 | 1.906 | 吨/公顷 | 2026-9 |
| 1963/1964 | 2.03 | 吨/公顷 | 2026-9 |
| 1962/1963 | 2.509 | 吨/公顷 | 2026-9 |
| 1961/1962 | 2.487 | 吨/公顷 | 2026-9 |
| 1960/1961 | 1.802 | 吨/公顷 | 2026-9 |