| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 4.263 | 吨/公顷 | 2026-9 |
| 2025/2026 | 4.263 | 吨/公顷 | 2026-9 |
| 2024/2025 | 4.2 | 吨/公顷 | 2026-9 |
| 2023/2024 | 3.75 | 吨/公顷 | 2026-9 |
| 2022/2023 | 2.75 | 吨/公顷 | 2026-9 |
| 2021/2022 | 4.406 | 吨/公顷 | 2026-9 |
| 2020/2021 | 4.549 | 吨/公顷 | 2026-9 |
| 2019/2020 | 4.492 | 吨/公顷 | 2026-9 |
| 2018/2019 | 3.333 | 吨/公顷 | 2026-9 |
| 2017/2018 | 3.418 | 吨/公顷 | 2026-9 |
| 2016/2017 | 3.309 | 吨/公顷 | 2026-9 |
| 2015/2016 | 3.438 | 吨/公顷 | 2026-9 |
| 2014/2015 | 4.177 | 吨/公顷 | 2026-9 |
| 2013/2014 | 4.688 | 吨/公顷 | 2026-9 |
| 2012/2013 | 4.375 | 吨/公顷 | 2026-9 |
| 2011/2012 | 3.2 | 吨/公顷 | 2026-9 |
| 2010/2011 | 3.479 | 吨/公顷 | 2026-9 |
| 2009/2010 | 3.146 | 吨/公顷 | 2026-9 |
| 2008/2009 | 2.952 | 吨/公顷 | 2026-9 |
| 2007/2008 | 2.727 | 吨/公顷 | 2026-9 |
| 2006/2007 | 2.091 | 吨/公顷 | 2026-9 |
| 2005/2006 | 2.888 | 吨/公顷 | 2026-9 |
| 2004/2005 | 2.852 | 吨/公顷 | 2026-9 |
| 2003/2004 | 3.214 | 吨/公顷 | 2026-9 |
| 2002/2003 | 2.51 | 吨/公顷 | 2026-9 |
| 2001/2002 | 2.56 | 吨/公顷 | 2026-9 |
| 2000/2001 | 2.4 | 吨/公顷 | 2026-9 |
| 1999/2000 | 1.385 | 吨/公顷 | 2026-9 |
| 1998/1999 | 2.344 | 吨/公顷 | 2026-9 |
| 1997/1998 | 2.042 | 吨/公顷 | 2026-9 |
| 1996/1997 | 2.25 | 吨/公顷 | 2026-9 |
| 1995/1996 | 1.794 | 吨/公顷 | 2026-9 |
| 1994/1995 | 2.35 | 吨/公顷 | 2026-9 |
| 1993/1994 | 1.873 | 吨/公顷 | 2026-9 |
| 1992/1993 | 1.895 | 吨/公顷 | 2026-9 |
| 1991/1992 | 2.198 | 吨/公顷 | 2026-9 |
| 1990/1991 | 2.911 | 吨/公顷 | 2026-9 |
| 1989/1990 | 3.192 | 吨/公顷 | 2026-9 |
| 1988/1989 | 2.765 | 吨/公顷 | 2026-9 |
| 1987/1988 | 2.814 | 吨/公顷 | 2026-9 |
| 1986/1987 | 2.82 | 吨/公顷 | 2026-9 |
| 1985/1986 | 2.811 | 吨/公顷 | 2026-9 |
| 1984/1985 | 2.821 | 吨/公顷 | 2026-9 |
| 1983/1984 | 2.265 | 吨/公顷 | 2026-9 |
| 1982/1983 | 2.733 | 吨/公顷 | 2026-9 |
| 1981/1982 | 3.418 | 吨/公顷 | 2026-9 |
| 1980/1981 | 3.036 | 吨/公顷 | 2026-9 |
| 1979/1980 | 2.633 | 吨/公顷 | 2026-9 |
| 1978/1979 | 3.146 | 吨/公顷 | 2026-9 |
| 1977/1978 | 3.175 | 吨/公顷 | 2026-9 |
| 1976/1977 | 3.037 | 吨/公顷 | 2026-9 |
| 1975/1976 | 2.067 | 吨/公顷 | 2026-9 |
| 1974/1975 | 2.226 | 吨/公顷 | 2026-9 |
| 1973/1974 | 2.469 | 吨/公顷 | 2026-9 |
| 1972/1973 | 2.84 | 吨/公顷 | 2026-9 |
| 1971/1972 | 2.807 | 吨/公顷 | 2026-9 |
| 1970/1971 | 2.4 | 吨/公顷 | 2026-9 |
| 1969/1970 | 3 | 吨/公顷 | 2026-9 |
| 1968/1969 | 3.248 | 吨/公顷 | 2026-9 |
| 1967/1968 | 3.058 | 吨/公顷 | 2026-9 |
| 1966/1967 | 2.026 | 吨/公顷 | 2026-9 |
| 1965/1966 | 2.159 | 吨/公顷 | 2026-9 |
| 1964/1965 | 2.104 | 吨/公顷 | 2026-9 |
| 1963/1964 | 1.425 | 吨/公顷 | 2026-9 |
| 1962/1963 | 1.279 | 吨/公顷 | 2026-9 |
| 1961/1962 | 0.942 | 吨/公顷 | 2026-9 |
| 1960/1961 | 1.553 | 吨/公顷 | 2026-9 |