| 年度 | 数值 | 单位 | 发布时间 |
|---|
| 2026/2027 | 5.243 | 吨/公顷 | 2026-9 |
| 2025/2026 | 5.263 | 吨/公顷 | 2026-9 |
| 2024/2025 | 5.071 | 吨/公顷 | 2026-9 |
| 2023/2024 | 5.627 | 吨/公顷 | 2026-9 |
| 2022/2023 | 4.871 | 吨/公顷 | 2026-9 |
| 2021/2022 | 4.838 | 吨/公顷 | 2026-9 |
| 2020/2021 | 4.668 | 吨/公顷 | 2026-9 |
| 2019/2020 | 5.719 | 吨/公顷 | 2026-9 |
| 2018/2019 | 5.689 | 吨/公顷 | 2026-9 |
| 2017/2018 | 4.702 | 吨/公顷 | 2026-9 |
| 2016/2017 | 3.846 | 吨/公顷 | 2026-9 |
| 2015/2016 | 4.044 | 吨/公顷 | 2026-9 |
| 2014/2015 | 4.272 | 吨/公顷 | 2026-9 |
| 2013/2014 | 4.422 | 吨/公顷 | 2026-9 |
| 2012/2013 | 4.372 | 吨/公顷 | 2026-9 |
| 2011/2012 | 4.481 | 吨/公顷 | 2026-9 |
| 2010/2011 | 4.068 | 吨/公顷 | 2026-9 |
| 2009/2010 | 4.338 | 吨/公顷 | 2026-9 |
| 2008/2009 | 3.755 | 吨/公顷 | 2026-9 |
| 2007/2008 | 3.683 | 吨/公顷 | 2026-9 |
| 2006/2007 | 3.591 | 吨/公顷 | 2026-9 |
| 2005/2006 | 3.543 | 吨/公顷 | 2026-9 |
| 2004/2005 | 3.338 | 吨/公顷 | 2026-9 |
| 2003/2004 | 3.738 | 吨/公顷 | 2026-9 |
| 2002/2003 | 2.069 | 吨/公顷 | 2026-9 |
| 2001/2002 | 2.776 | 吨/公顷 | 2026-9 |
| 2000/2001 | 2.754 | 吨/公顷 | 2026-9 |
| 1999/2000 | 1.583 | 吨/公顷 | 2026-9 |
| 1998/1999 | 1.225 | 吨/公顷 | 2026-9 |
| 1997/1998 | 1.235 | 吨/公顷 | 2026-9 |
| 1996/1997 | 1.3 | 吨/公顷 | 2026-9 |
| 1995/1996 | 1.222 | 吨/公顷 | 2026-9 |
| 1994/1995 | 1.216 | 吨/公顷 | 2026-9 |
| 1993/1994 | 1.047 | 吨/公顷 | 2026-9 |
| 1992/1993 | 1.25 | 吨/公顷 | 2026-9 |
| 1991/1992 | 1.2 | 吨/公顷 | 2026-9 |
| 1990/1991 | 1.956 | 吨/公顷 | 2026-9 |
| 1989/1990 | 1.122 | 吨/公顷 | 2026-9 |
| 1988/1989 | 0.8 | 吨/公顷 | 2026-9 |
| 1987/1988 | 1 | 吨/公顷 | 2026-9 |
| 1986/1987 | 1.143 | 吨/公顷 | 2026-9 |
| 1985/1986 | 1.143 | 吨/公顷 | 2026-9 |
| 1984/1985 | 1.143 | 吨/公顷 | 2026-9 |
| 1983/1984 | 1.143 | 吨/公顷 | 2026-9 |
| 1982/1983 | 1.533 | 吨/公顷 | 2026-9 |
| 1981/1982 | 1.032 | 吨/公顷 | 2026-9 |
| 1980/1981 | 1.01 | 吨/公顷 | 2026-9 |
| 1979/1980 | 1.214 | 吨/公顷 | 2026-9 |
| 1978/1979 | 1.231 | 吨/公顷 | 2026-9 |
| 1977/1978 | 1.29 | 吨/公顷 | 2026-9 |
| 1976/1977 | 1.364 | 吨/公顷 | 2026-9 |
| 1975/1976 | 1.167 | 吨/公顷 | 2026-9 |
| 1974/1975 | 1.167 | 吨/公顷 | 2026-9 |
| 1973/1974 | 1.167 | 吨/公顷 | 2026-9 |
| 1972/1973 | 1.159 | 吨/公顷 | 2026-9 |
| 1971/1972 | 1.429 | 吨/公顷 | 2026-9 |
| 1970/1971 | 1.298 | 吨/公顷 | 2026-9 |
| 1969/1970 | 1.593 | 吨/公顷 | 2026-9 |
| 1968/1969 | 1.157 | 吨/公顷 | 2026-9 |
| 1967/1968 | 1.363 | 吨/公顷 | 2026-9 |
| 1966/1967 | 1.282 | 吨/公顷 | 2026-9 |
| 1965/1966 | 1.528 | 吨/公顷 | 2026-9 |
| 1964/1965 | 1.015 | 吨/公顷 | 2026-9 |
| 1963/1964 | 1.606 | 吨/公顷 | 2026-9 |
| 1962/1963 | 1.591 | 吨/公顷 | 2026-9 |
| 1961/1962 | 1.505 | 吨/公顷 | 2026-9 |
| 1960/1961 | 1.977 | 吨/公顷 | 2026-9 |