| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 4 | 吨/公顷 | 2026-9 |
| 2025/2026 | 3.99 | 吨/公顷 | 2026-9 |
| 2024/2025 | 3.741 | 吨/公顷 | 2026-9 |
| 2023/2024 | 4.067 | 吨/公顷 | 2026-9 |
| 2022/2023 | 3.692 | 吨/公顷 | 2026-9 |
| 2021/2022 | 3.954 | 吨/公顷 | 2026-9 |
| 2020/2021 | 3.787 | 吨/公顷 | 2026-9 |
| 2019/2020 | 3.555 | 吨/公顷 | 2026-9 |
| 2018/2019 | 3.845 | 吨/公顷 | 2026-9 |
| 2017/2018 | 3.853 | 吨/公顷 | 2026-9 |
| 2016/2017 | 3.772 | 吨/公顷 | 2026-9 |
| 2015/2016 | 3.725 | 吨/公顷 | 2026-9 |
| 2014/2015 | 3.634 | 吨/公顷 | 2026-9 |
| 2013/2014 | 3.657 | 吨/公顷 | 2026-9 |
| 2012/2013 | 3.597 | 吨/公顷 | 2026-9 |
| 2011/2012 | 3.594 | 吨/公顷 | 2026-9 |
| 2010/2011 | 3.059 | 吨/公顷 | 2026-9 |
| 2009/2010 | 3.582 | 吨/公顷 | 2026-9 |
| 2008/2009 | 3.52 | 吨/公顷 | 2026-9 |
| 2007/2008 | 3.318 | 吨/公顷 | 2026-9 |
| 2006/2007 | 3.161 | 吨/公顷 | 2026-9 |
| 2005/2006 | 3.176 | 吨/公顷 | 2026-9 |
| 2004/2005 | 2.991 | 吨/公顷 | 2026-9 |
| 2003/2004 | 2.955 | 吨/公顷 | 2026-9 |
| 2002/2003 | 3.02 | 吨/公顷 | 2026-9 |
| 2001/2002 | 2.754 | 吨/公顷 | 2026-9 |
| 2000/2001 | 3.032 | 吨/公顷 | 2026-9 |
| 1999/2000 | 3.076 | 吨/公顷 | 2026-9 |
| 1998/1999 | 2.893 | 吨/公顷 | 2026-9 |
| 1997/1998 | 2.807 | 吨/公顷 | 2026-9 |
| 1996/1997 | 2.869 | 吨/公顷 | 2026-9 |
| 1995/1996 | 2.753 | 吨/公顷 | 2026-9 |
| 1994/1995 | 2.433 | 吨/公顷 | 2026-9 |
| 1993/1994 | 2.739 | 吨/公顷 | 2026-9 |
| 1992/1993 | 2.368 | 吨/公顷 | 2026-9 |
| 1991/1992 | 2.32 | 吨/公顷 | 2026-9 |
| 1990/1991 | 2.317 | 吨/公顷 | 2026-9 |
| 1989/1990 | 2.292 | 吨/公顷 | 2026-9 |
| 1988/1989 | 2.351 | 吨/公顷 | 2026-9 |
| 1987/1988 | 2.477 | 吨/公顷 | 2026-9 |
| 1986/1987 | 2.532 | 吨/公顷 | 2026-9 |
| 1985/1986 | 2.351 | 吨/公顷 | 2026-9 |
| 1984/1985 | 2.489 | 吨/公顷 | 2026-9 |
| 1983/1984 | 2.51 | 吨/公顷 | 2026-9 |
| 1982/1983 | 2.615 | 吨/公顷 | 2026-9 |
| 1981/1982 | 2.606 | 吨/公顷 | 2026-9 |
| 1980/1981 | 2.426 | 吨/公顷 | 2026-9 |
| 1979/1980 | 2.374 | 吨/公顷 | 2026-9 |
| 1978/1979 | 2.425 | 吨/公顷 | 2026-9 |
| 1977/1978 | 2.332 | 吨/公顷 | 2026-9 |
| 1976/1977 | 2.35 | 吨/公顷 | 2026-9 |
| 1975/1976 | 2.298 | 吨/公顷 | 2026-9 |
| 1974/1975 | 2.162 | 吨/公顷 | 2026-9 |
| 1973/1974 | 2.436 | 吨/公顷 | 2026-9 |
| 1972/1973 | 2.321 | 吨/公顷 | 2026-9 |
| 1971/1972 | 2.294 | 吨/公顷 | 2026-9 |
| 1970/1971 | 2.198 | 吨/公顷 | 2026-9 |
| 1969/1970 | 2.223 | 吨/公顷 | 2026-9 |
| 1968/1969 | 1.962 | 吨/公顷 | 2026-9 |
| 1967/1968 | 1.585 | 吨/公顷 | 2026-9 |
| 1966/1967 | 1.454 | 吨/公顷 | 2026-9 |
| 1965/1966 | 1.419 | 吨/公顷 | 2026-9 |
| 1964/1965 | 1.496 | 吨/公顷 | 2026-9 |
| 1963/1964 | 1.392 | 吨/公顷 | 2026-9 |
| 1962/1963 | 1.388 | 吨/公顷 | 2026-9 |
| 1961/1962 | 1.394 | 吨/公顷 | 2026-9 |
| 1960/1961 | 1.31 | 吨/公顷 | 2026-9 |