| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 3.564 | 吨/公顷 | 2026-9 |
| 2025/2026 | 3.821 | 吨/公顷 | 2026-9 |
| 2024/2025 | 3.374 | 吨/公顷 | 2026-9 |
| 2023/2024 | 3.12 | 吨/公顷 | 2026-9 |
| 2022/2023 | 3.45 | 吨/公顷 | 2026-9 |
| 2021/2022 | 2.437 | 吨/公顷 | 2026-9 |
| 2020/2021 | 3.537 | 吨/公顷 | 2026-9 |
| 2019/2020 | 3.383 | 吨/公顷 | 2026-9 |
| 2018/2019 | 3.274 | 吨/公顷 | 2026-9 |
| 2017/2018 | 3.382 | 吨/公顷 | 2026-9 |
| 2016/2017 | 3.581 | 吨/公顷 | 2026-9 |
| 2015/2016 | 2.893 | 吨/公顷 | 2026-9 |
| 2014/2015 | 3.082 | 吨/公顷 | 2026-9 |
| 2013/2014 | 3.598 | 吨/公顷 | 2026-9 |
| 2012/2013 | 2.874 | 吨/公顷 | 2026-9 |
| 2011/2012 | 2.957 | 吨/公顷 | 2026-9 |
| 2010/2011 | 2.809 | 吨/公顷 | 2026-9 |
| 2009/2010 | 2.79 | 吨/公顷 | 2026-9 |
| 2008/2009 | 2.857 | 吨/公顷 | 2026-9 |
| 2007/2008 | 2.332 | 吨/公顷 | 2026-9 |
| 2006/2007 | 2.61 | 吨/公顷 | 2026-9 |
| 2005/2006 | 2.738 | 吨/公顷 | 2026-9 |
| 2004/2005 | 2.641 | 吨/公顷 | 2026-9 |
| 2003/2004 | 2.256 | 吨/公顷 | 2026-9 |
| 2002/2003 | 1.832 | 吨/公顷 | 2026-9 |
| 2001/2002 | 1.945 | 吨/公顷 | 2026-9 |
| 2000/2001 | 2.445 | 吨/公顷 | 2026-9 |
| 1999/2000 | 2.597 | 吨/公顷 | 2026-9 |
| 1998/1999 | 2.255 | 吨/公顷 | 2026-9 |
| 1997/1998 | 2.128 | 吨/公顷 | 2026-9 |
| 1996/1997 | 2.43 | 吨/公顷 | 2026-9 |
| 1995/1996 | 2.247 | 吨/公顷 | 2026-9 |
| 1994/1995 | 2.128 | 吨/公顷 | 2026-9 |
| 1993/1994 | 2.2 | 吨/公顷 | 2026-9 |
| 1992/1993 | 2.16 | 吨/公顷 | 2026-9 |
| 1991/1992 | 2.256 | 吨/公顷 | 2026-9 |
| 1990/1991 | 2.277 | 吨/公顷 | 2026-9 |
| 1989/1990 | 1.808 | 吨/公顷 | 2026-9 |
| 1988/1989 | 1.229 | 吨/公顷 | 2026-9 |
| 1987/1988 | 1.928 | 吨/公顷 | 2026-9 |
| 1986/1987 | 2.204 | 吨/公顷 | 2026-9 |
| 1985/1986 | 1.767 | 吨/公顷 | 2026-9 |
| 1984/1985 | 1.61 | 吨/公顷 | 2026-9 |
| 1983/1984 | 1.932 | 吨/公顷 | 2026-9 |
| 1982/1983 | 2.128 | 吨/公顷 | 2026-9 |
| 1981/1982 | 1.996 | 吨/公顷 | 2026-9 |
| 1980/1981 | 1.738 | 吨/公顷 | 2026-9 |
| 1979/1980 | 1.638 | 吨/公顷 | 2026-9 |
| 1978/1979 | 1.998 | 吨/公顷 | 2026-9 |
| 1977/1978 | 1.963 | 吨/公顷 | 2026-9 |
| 1976/1977 | 2.096 | 吨/公顷 | 2026-9 |
| 1975/1976 | 1.802 | 吨/公顷 | 2026-9 |
| 1974/1975 | 1.488 | 吨/公顷 | 2026-9 |
| 1973/1974 | 1.688 | 吨/公顷 | 2026-9 |
| 1972/1973 | 1.68 | 吨/公顷 | 2026-9 |
| 1971/1972 | 1.835 | 吨/公顷 | 2026-9 |
| 1970/1971 | 1.786 | 吨/公顷 | 2026-9 |
| 1969/1970 | 1.808 | 吨/公顷 | 2026-9 |
| 1968/1969 | 1.486 | 吨/公顷 | 2026-9 |
| 1967/1968 | 1.324 | 吨/公顷 | 2026-9 |
| 1966/1967 | 1.874 | 吨/公顷 | 2026-9 |
| 1965/1966 | 1.543 | 吨/公顷 | 2026-9 |
| 1964/1965 | 1.36 | 吨/公顷 | 2026-9 |
| 1963/1964 | 1.765 | 吨/公顷 | 2026-9 |
| 1962/1963 | 1.418 | 吨/公顷 | 2026-9 |
| 1961/1962 | 0.753 | 吨/公顷 | 2026-9 |
| 1960/1961 | 1.421 | 吨/公顷 | 2026-9 |