| 年度 | 数值 | 单位 | 发布时间 |
|---|
| 2026/2027 | 3.696 | 吨/公顷 | 2026-9 |
| 2025/2026 | 3.667 | 吨/公顷 | 2026-9 |
| 2024/2025 | 3.818 | 吨/公顷 | 2026-9 |
| 2023/2024 | 3.699 | 吨/公顷 | 2026-9 |
| 2022/2023 | 3.62 | 吨/公顷 | 2026-9 |
| 2021/2022 | 3.479 | 吨/公顷 | 2026-9 |
| 2020/2021 | 3.581 | 吨/公顷 | 2026-9 |
| 2019/2020 | 3.333 | 吨/公顷 | 2026-9 |
| 2018/2019 | 3.462 | 吨/公顷 | 2026-9 |
| 2017/2018 | 3.44 | 吨/公顷 | 2026-9 |
| 2016/2017 | 3.369 | 吨/公顷 | 2026-9 |
| 2015/2016 | 3.384 | 吨/公顷 | 2026-9 |
| 2014/2015 | 3.315 | 吨/公顷 | 2026-9 |
| 2013/2014 | 3.246 | 吨/公顷 | 2026-9 |
| 2012/2013 | 3.283 | 吨/公顷 | 2026-9 |
| 2011/2012 | 3.31 | 吨/公顷 | 2026-9 |
| 2010/2011 | 3.098 | 吨/公顷 | 2026-9 |
| 2009/2010 | 3.061 | 吨/公顷 | 2026-9 |
| 2008/2009 | 3.07 | 吨/公顷 | 2026-9 |
| 2007/2008 | 2.942 | 吨/公顷 | 2026-9 |
| 2006/2007 | 2.735 | 吨/公顷 | 2026-9 |
| 2005/2006 | 2.65 | 吨/公顷 | 2026-9 |
| 2004/2005 | 2.641 | 吨/公顷 | 2026-9 |
| 2003/2004 | 2.723 | 吨/公顷 | 2026-9 |
| 2002/2003 | 2.823 | 吨/公顷 | 2026-9 |
| 2001/2002 | 2.677 | 吨/公顷 | 2026-9 |
| 2000/2001 | 2.602 | 吨/公顷 | 2026-9 |
| 1999/2000 | 2.557 | 吨/公顷 | 2026-9 |
| 1998/1999 | 2.273 | 吨/公顷 | 2026-9 |
| 1997/1998 | 1.923 | 吨/公顷 | 2026-9 |
| 1996/1997 | 1.937 | 吨/公顷 | 2026-9 |
| 1995/1996 | 1.827 | 吨/公顷 | 2026-9 |
| 1994/1995 | 2.044 | 吨/公顷 | 2026-9 |
| 1993/1994 | 2.112 | 吨/公顷 | 2026-9 |
| 1992/1993 | 2.253 | 吨/公顷 | 2026-9 |
| 1991/1992 | 1.607 | 吨/公顷 | 2026-9 |
| 1990/1991 | 1.575 | 吨/公顷 | 2026-9 |
| 1989/1990 | 2.104 | 吨/公顷 | 2026-9 |
| 1988/1989 | 1.978 | 吨/公顷 | 2026-9 |
| 1987/1988 | 2.022 | 吨/公顷 | 2026-9 |
| 1986/1987 | 2.042 | 吨/公顷 | 2026-9 |
| 1985/1986 | 1.892 | 吨/公顷 | 2026-9 |
| 1984/1985 | 1.98 | 吨/公顷 | 2026-9 |
| 1983/1984 | 1.697 | 吨/公顷 | 2026-9 |
| 1982/1983 | 1.743 | 吨/公顷 | 2026-9 |
| 1981/1982 | 1.733 | 吨/公顷 | 2026-9 |
| 1980/1981 | 1.58 | 吨/公顷 | 2026-9 |
| 1979/1980 | 1.677 | 吨/公顷 | 2026-9 |
| 1978/1979 | 1.681 | 吨/公顷 | 2026-9 |
| 1977/1978 | 1.877 | 吨/公顷 | 2026-9 |
| 1976/1977 | 1.886 | 吨/公顷 | 2026-9 |
| 1975/1976 | 1.749 | 吨/公顷 | 2026-9 |
| 1974/1975 | 1.665 | 吨/公顷 | 2026-9 |
| 1973/1974 | 1.665 | 吨/公顷 | 2026-9 |
| 1972/1973 | 1.632 | 吨/公顷 | 2026-9 |
| 1971/1972 | 1.64 | 吨/公顷 | 2026-9 |
| 1970/1971 | 1.647 | 吨/公顷 | 2026-9 |
| 1969/1970 | 1.61 | 吨/公顷 | 2026-9 |
| 1968/1969 | 1.687 | 吨/公顷 | 2026-9 |
| 1967/1968 | 1.633 | 吨/公顷 | 2026-9 |
| 1966/1967 | 1.637 | 吨/公顷 | 2026-9 |
| 1965/1966 | 1.629 | 吨/公顷 | 2026-9 |
| 1964/1965 | 1.45 | 吨/公顷 | 2026-9 |
| 1963/1964 | 1.42 | 吨/公顷 | 2026-9 |
| 1962/1963 | 1.39 | 吨/公顷 | 2026-9 |
| 1961/1962 | 1.379 | 吨/公顷 | 2026-9 |
| 1960/1961 | 1.34 | 吨/公顷 | 2026-9 |