| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 3.551 | 吨/公顷 | 2026-9 |
| 2025/2026 | 3.563 | 吨/公顷 | 2026-9 |
| 2024/2025 | 3.412 | 吨/公顷 | 2026-9 |
| 2023/2024 | 3.402 | 吨/公顷 | 2026-9 |
| 2022/2023 | 3.333 | 吨/公顷 | 2026-9 |
| 2021/2022 | 3.479 | 吨/公顷 | 2026-9 |
| 2020/2021 | 3.433 | 吨/公顷 | 2026-9 |
| 2019/2020 | 3.188 | 吨/公顷 | 2026-9 |
| 2018/2019 | 3.4 | 吨/公顷 | 2026-9 |
| 2017/2018 | 3.313 | 吨/公顷 | 2026-9 |
| 2016/2017 | 3.494 | 吨/公顷 | 2026-9 |
| 2015/2016 | 3.231 | 吨/公顷 | 2026-9 |
| 2014/2015 | 3.198 | 吨/公顷 | 2026-9 |
| 2013/2014 | 2.962 | 吨/公顷 | 2026-9 |
| 2012/2013 | 2.687 | 吨/公顷 | 2026-9 |
| 2011/2012 | 2.823 | 吨/公顷 | 2026-9 |
| 2010/2011 | 2.924 | 吨/公顷 | 2026-9 |
| 2009/2010 | 2.96 | 吨/公顷 | 2026-9 |
| 2008/2009 | 2.672 | 吨/公顷 | 2026-9 |
| 2007/2008 | 2.807 | 吨/公顷 | 2026-9 |
| 2006/2007 | 2.882 | 吨/公顷 | 2026-9 |
| 2005/2006 | 2.896 | 吨/公顷 | 2026-9 |
| 2004/2005 | 2.841 | 吨/公顷 | 2026-9 |
| 2003/2004 | 2.277 | 吨/公顷 | 2026-9 |
| 2002/2003 | 2.557 | 吨/公顷 | 2026-9 |
| 2001/2002 | 2.664 | 吨/公顷 | 2026-9 |
| 2000/2001 | 2.561 | 吨/公顷 | 2026-9 |
| 1999/2000 | 2.464 | 吨/公顷 | 2026-9 |
| 1998/1999 | 2.617 | 吨/公顷 | 2026-9 |
| 1997/1998 | 2.616 | 吨/公顷 | 2026-9 |
| 1996/1997 | 2.527 | 吨/公顷 | 2026-9 |
| 1995/1996 | 2.376 | 吨/公顷 | 2026-9 |
| 1994/1995 | 2.781 | 吨/公顷 | 2026-9 |
| 1993/1994 | 2.194 | 吨/公顷 | 2026-9 |
| 1992/1993 | 2.53 | 吨/公顷 | 2026-9 |
| 1991/1992 | 2.303 | 吨/公顷 | 2026-9 |
| 1990/1991 | 2.292 | 吨/公顷 | 2026-9 |
| 1989/1990 | 2.173 | 吨/公顷 | 2026-9 |
| 1988/1989 | 1.816 | 吨/公顷 | 2026-9 |
| 1987/1988 | 2.279 | 吨/公顷 | 2026-9 |
| 1986/1987 | 2.24 | 吨/公顷 | 2026-9 |
| 1985/1986 | 2.292 | 吨/公顷 | 2026-9 |
| 1984/1985 | 1.893 | 吨/公顷 | 2026-9 |
| 1983/1984 | 1.759 | 吨/公顷 | 2026-9 |
| 1982/1983 | 2.121 | 吨/公顷 | 2026-9 |
| 1981/1982 | 2.022 | 吨/公顷 | 2026-9 |
| 1980/1981 | 1.783 | 吨/公顷 | 2026-9 |
| 1979/1980 | 2.161 | 吨/公顷 | 2026-9 |
| 1978/1979 | 1.974 | 吨/公顷 | 2026-9 |
| 1977/1978 | 2.055 | 吨/公顷 | 2026-9 |
| 1976/1977 | 1.754 | 吨/公顷 | 2026-9 |
| 1975/1976 | 1.942 | 吨/公顷 | 2026-9 |
| 1974/1975 | 1.593 | 吨/公顷 | 2026-9 |
| 1973/1974 | 1.87 | 吨/公顷 | 2026-9 |
| 1972/1973 | 1.871 | 吨/公顷 | 2026-9 |
| 1971/1972 | 1.852 | 吨/公顷 | 2026-9 |
| 1970/1971 | 1.794 | 吨/公顷 | 2026-9 |
| 1969/1970 | 1.843 | 吨/公顷 | 2026-9 |
| 1968/1969 | 1.799 | 吨/公顷 | 2026-9 |
| 1967/1968 | 1.65 | 吨/公顷 | 2026-9 |
| 1966/1967 | 1.709 | 吨/公顷 | 2026-9 |
| 1965/1966 | 1.651 | 吨/公顷 | 2026-9 |
| 1964/1965 | 1.531 | 吨/公顷 | 2026-9 |