| 年度 | 数值 | 单位 | 发布时间 |
|---|
| 2026/2027 | 4.039 | 吨/公顷 | 2026-9 |
| 2025/2026 | 4.039 | 吨/公顷 | 2026-9 |
| 2024/2025 | 4 | 吨/公顷 | 2026-9 |
| 2023/2024 | 4 | 吨/公顷 | 2026-9 |
| 2022/2023 | 4 | 吨/公顷 | 2026-9 |
| 2021/2022 | 4.195 | 吨/公顷 | 2026-9 |
| 2020/2021 | 4.239 | 吨/公顷 | 2026-9 |
| 2019/2020 | 4.238 | 吨/公顷 | 2026-9 |
| 2018/2019 | 4.191 | 吨/公顷 | 2026-9 |
| 2017/2018 | 3.312 | 吨/公顷 | 2026-9 |
| 2016/2017 | 2.947 | 吨/公顷 | 2026-9 |
| 2015/2016 | 3.732 | 吨/公顷 | 2026-9 |
| 2014/2015 | 3.421 | 吨/公顷 | 2026-9 |
| 2013/2014 | 3.254 | 吨/公顷 | 2026-9 |
| 2012/2013 | 3.059 | 吨/公顷 | 2026-9 |
| 2011/2012 | 2.953 | 吨/公顷 | 2026-9 |
| 2010/2011 | 2.494 | 吨/公顷 | 2026-9 |
| 2009/2010 | 2.201 | 吨/公顷 | 2026-9 |
| 2008/2009 | 2.224 | 吨/公顷 | 2026-9 |
| 2007/2008 | 2.122 | 吨/公顷 | 2026-9 |
| 2006/2007 | 2.229 | 吨/公顷 | 2026-9 |
| 2005/2006 | 2.187 | 吨/公顷 | 2026-9 |
| 2004/2005 | 1.72 | 吨/公顷 | 2026-9 |
| 2003/2004 | 1.86 | 吨/公顷 | 2026-9 |
| 2002/2003 | 1.501 | 吨/公顷 | 2026-9 |
| 2001/2002 | 1.646 | 吨/公顷 | 2026-9 |
| 2000/2001 | 1.71 | 吨/公顷 | 2026-9 |
| 1999/2000 | 1.462 | 吨/公顷 | 2026-9 |
| 1998/1999 | 1.547 | 吨/公顷 | 2026-9 |
| 1997/1998 | 1.178 | 吨/公顷 | 2026-9 |
| 1996/1997 | 1.572 | 吨/公顷 | 2026-9 |
| 1995/1996 | 1.369 | 吨/公顷 | 2026-9 |
| 1994/1995 | 1.12 | 吨/公顷 | 2026-9 |
| 1993/1994 | 1.765 | 吨/公顷 | 2026-9 |
| 1992/1993 | 1.571 | 吨/公顷 | 2026-9 |
| 1991/1992 | 1.7 | 吨/公顷 | 2026-9 |
| 1990/1991 | 1.739 | 吨/公顷 | 2026-9 |
| 1989/1990 | 1.781 | 吨/公顷 | 2026-9 |
| 1988/1989 | 1.749 | 吨/公顷 | 2026-9 |
| 1987/1988 | 1.705 | 吨/公顷 | 2026-9 |
| 1986/1987 | 1.954 | 吨/公顷 | 2026-9 |
| 1985/1986 | 1.199 | 吨/公顷 | 2026-9 |
| 1984/1985 | 1.149 | 吨/公顷 | 2026-9 |
| 1983/1984 | 1.867 | 吨/公顷 | 2026-9 |
| 1982/1983 | 1.946 | 吨/公顷 | 2026-9 |
| 1981/1982 | 1.831 | 吨/公顷 | 2026-9 |
| 1980/1981 | 1.282 | 吨/公顷 | 2026-9 |
| 1979/1980 | 1.75 | 吨/公顷 | 2026-9 |
| 1978/1979 | 1.508 | 吨/公顷 | 2026-9 |
| 1977/1978 | 1.094 | 吨/公顷 | 2026-9 |
| 1976/1977 | 1.449 | 吨/公顷 | 2026-9 |
| 1975/1976 | 2.019 | 吨/公顷 | 2026-9 |
| 1974/1975 | 1.046 | 吨/公顷 | 2026-9 |
| 1973/1974 | 1.101 | 吨/公顷 | 2026-9 |
| 1972/1973 | 1.02 | 吨/公顷 | 2026-9 |
| 1971/1972 | 1.101 | 吨/公顷 | 2026-9 |
| 1970/1971 | 1.087 | 吨/公顷 | 2026-9 |
| 1969/1970 | 1.073 | 吨/公顷 | 2026-9 |
| 1968/1969 | 1.05 | 吨/公顷 | 2026-9 |
| 1967/1968 | 1.03 | 吨/公顷 | 2026-9 |
| 1966/1967 | 1.009 | 吨/公顷 | 2026-9 |
| 1965/1966 | 1 | 吨/公顷 | 2026-9 |
| 1964/1965 | 0.985 | 吨/公顷 | 2026-9 |
| 1963/1964 | 0.97 | 吨/公顷 | 2026-9 |
| 1962/1963 | 0.9 | 吨/公顷 | 2026-9 |
| 1961/1962 | 0.96 | 吨/公顷 | 2026-9 |
| 1960/1961 | 0.961 | 吨/公顷 | 2026-9 |