| 年度 | 数值 | 单位 | 发布时间 |
|---|
| 2026/2027 | 4.714 | 吨/公顷 | 2026-9 |
| 2025/2026 | 5.081 | 吨/公顷 | 2026-9 |
| 2024/2025 | 4.361 | 吨/公顷 | 2026-9 |
| 2023/2024 | 4.402 | 吨/公顷 | 2026-9 |
| 2022/2023 | 4.533 | 吨/公顷 | 2026-9 |
| 2021/2022 | 4.642 | 吨/公顷 | 2026-9 |
| 2020/2021 | 3.827 | 吨/公顷 | 2026-9 |
| 2019/2020 | 4.582 | 吨/公顷 | 2026-9 |
| 2018/2019 | 3.627 | 吨/公顷 | 2026-9 |
| 2017/2018 | 4 | 吨/公顷 | 2026-9 |
| 2016/2017 | 3.565 | 吨/公顷 | 2026-9 |
| 2015/2016 | 4.889 | 吨/公顷 | 2026-9 |
| 2014/2015 | 4.247 | 吨/公顷 | 2026-9 |
| 2013/2014 | 3.63 | 吨/公顷 | 2026-9 |
| 2012/2013 | 3.095 | 吨/公顷 | 2026-9 |
| 2011/2012 | 2.742 | 吨/公顷 | 2026-9 |
| 2010/2011 | 2.615 | 吨/公顷 | 2026-9 |
| 2009/2010 | 2.983 | 吨/公顷 | 2026-9 |
| 2008/2009 | 2.908 | 吨/公顷 | 2026-9 |
| 2007/2008 | 2.232 | 吨/公顷 | 2026-9 |
| 2006/2007 | 3.093 | 吨/公顷 | 2026-9 |
| 2005/2006 | 3.091 | 吨/公顷 | 2026-9 |
| 2004/2005 | 2.788 | 吨/公顷 | 2026-9 |
| 2003/2004 | 2.273 | 吨/公顷 | 2026-9 |
| 2002/2003 | 1.647 | 吨/公顷 | 2026-9 |
| 2001/2002 | 1.441 | 吨/公顷 | 2026-9 |
| 2000/2001 | 2.633 | 吨/公顷 | 2026-9 |
| 1999/2000 | 1.333 | 吨/公顷 | 2026-9 |
| 1998/1999 | 1.688 | 吨/公顷 | 2026-9 |
| 1997/1998 | 1.679 | 吨/公顷 | 2026-9 |
| 1996/1997 | 1.245 | 吨/公顷 | 2026-9 |
| 1995/1996 | 1.292 | 吨/公顷 | 2026-9 |
| 1994/1995 | 1.25 | 吨/公顷 | 2026-9 |
| 1993/1994 | 1.258 | 吨/公顷 | 2026-9 |
| 1992/1993 | 1.95 | 吨/公顷 | 2026-9 |
| 1991/1992 | 1.932 | 吨/公顷 | 2026-9 |
| 1990/1991 | 1.733 | 吨/公顷 | 2026-9 |
| 1989/1990 | 1.6 | 吨/公顷 | 2026-9 |
| 1988/1989 | 1.341 | 吨/公顷 | 2026-9 |
| 1987/1988 | 1.603 | 吨/公顷 | 2026-9 |
| 1986/1987 | 1.598 | 吨/公顷 | 2026-9 |
| 1985/1986 | 2 | 吨/公顷 | 2026-9 |
| 1984/1985 | 1.851 | 吨/公顷 | 2026-9 |
| 1983/1984 | 1.595 | 吨/公顷 | 2026-9 |
| 1982/1983 | 1.766 | 吨/公顷 | 2026-9 |
| 1981/1982 | 1.803 | 吨/公顷 | 2026-9 |
| 1980/1981 | 1.659 | 吨/公顷 | 2026-9 |
| 1979/1980 | 1.542 | 吨/公顷 | 2026-9 |
| 1978/1979 | 1.136 | 吨/公顷 | 2026-9 |
| 1977/1978 | 1.191 | 吨/公顷 | 2026-9 |
| 1976/1977 | 0.873 | 吨/公顷 | 2026-9 |
| 1975/1976 | 0.856 | 吨/公顷 | 2026-9 |
| 1974/1975 | 1.029 | 吨/公顷 | 2026-9 |
| 1973/1974 | 1 | 吨/公顷 | 2026-9 |
| 1972/1973 | 1.016 | 吨/公顷 | 2026-9 |
| 1971/1972 | 0.982 | 吨/公顷 | 2026-9 |
| 1970/1971 | 1.022 | 吨/公顷 | 2026-9 |
| 1969/1970 | 1.008 | 吨/公顷 | 2026-9 |
| 1968/1969 | 0.826 | 吨/公顷 | 2026-9 |
| 1967/1968 | 1.046 | 吨/公顷 | 2026-9 |
| 1966/1967 | 1.026 | 吨/公顷 | 2026-9 |
| 1965/1966 | 1.018 | 吨/公顷 | 2026-9 |
| 1964/1965 | 1.027 | 吨/公顷 | 2026-9 |
| 1963/1964 | 0.798 | 吨/公顷 | 2026-9 |
| 1962/1963 | 0.87 | 吨/公顷 | 2026-9 |
| 1961/1962 | 0.86 | 吨/公顷 | 2026-9 |
| 1960/1961 | 0.848 | 吨/公顷 | 2026-9 |