| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 3.25 | 吨/公顷 | 2026-9 |
| 2025/2026 | 3.182 | 吨/公顷 | 2026-9 |
| 2024/2025 | 3.739 | 吨/公顷 | 2026-9 |
| 2023/2024 | 3.034 | 吨/公顷 | 2026-9 |
| 2022/2023 | 3.377 | 吨/公顷 | 2026-9 |
| 2021/2022 | 2.761 | 吨/公顷 | 2026-9 |
| 2020/2021 | 2.409 | 吨/公顷 | 2026-9 |
| 2019/2020 | 2.992 | 吨/公顷 | 2026-9 |
| 2018/2019 | 2.974 | 吨/公顷 | 2026-9 |
| 2017/2018 | 2.732 | 吨/公顷 | 2026-9 |
| 2016/2017 | 2.965 | 吨/公顷 | 2026-9 |
| 2015/2016 | 1.782 | 吨/公顷 | 2026-9 |
| 2014/2015 | 2.842 | 吨/公顷 | 2026-9 |
| 2013/2014 | 2.589 | 吨/公顷 | 2026-9 |
| 2012/2013 | 2.621 | 吨/公顷 | 2026-9 |
| 2011/2012 | 2.823 | 吨/公顷 | 2026-9 |
| 2010/2011 | 2.832 | 吨/公顷 | 2026-9 |
| 2009/2010 | 2.327 | 吨/公顷 | 2026-9 |
| 2008/2009 | 2.287 | 吨/公顷 | 2026-9 |
| 2007/2008 | 2.356 | 吨/公顷 | 2026-9 |
| 2006/2007 | 2.126 | 吨/公顷 | 2026-9 |
| 2005/2006 | 2.108 | 吨/公顷 | 2026-9 |
| 2004/2005 | 1.987 | 吨/公顷 | 2026-9 |
| 2003/2004 | 2.243 | 吨/公顷 | 2026-9 |
| 2002/2003 | 2.306 | 吨/公顷 | 2026-9 |
| 2001/2002 | 1.629 | 吨/公顷 | 2026-9 |
| 2000/2001 | 1.785 | 吨/公顷 | 2026-9 |
| 1999/2000 | 1.569 | 吨/公顷 | 2026-9 |
| 1998/1999 | 1.8 | 吨/公顷 | 2026-9 |
| 1997/1998 | 1.805 | 吨/公顷 | 2026-9 |
| 1996/1997 | 2.351 | 吨/公顷 | 2026-9 |
| 1995/1996 | 1.75 | 吨/公顷 | 2026-9 |
| 1994/1995 | 1.75 | 吨/公顷 | 2026-9 |
| 1993/1994 | 2 | 吨/公顷 | 2026-9 |
| 1992/1993 | 1.867 | 吨/公顷 | 2026-9 |
| 1991/1992 | 1.706 | 吨/公顷 | 2026-9 |
| 1990/1991 | 1.513 | 吨/公顷 | 2026-9 |
| 1989/1990 | 1.79 | 吨/公顷 | 2026-9 |
| 1988/1989 | 1.368 | 吨/公顷 | 2026-9 |
| 1987/1988 | 1.707 | 吨/公顷 | 2026-9 |
| 1986/1987 | 1.958 | 吨/公顷 | 2026-9 |
| 1985/1986 | 1.905 | 吨/公顷 | 2026-9 |
| 1984/1985 | 1.55 | 吨/公顷 | 2026-9 |
| 1983/1984 | 1.833 | 吨/公顷 | 2026-9 |
| 1982/1983 | 1.846 | 吨/公顷 | 2026-9 |
| 1981/1982 | 1.872 | 吨/公顷 | 2026-9 |
| 1980/1981 | 2.304 | 吨/公顷 | 2026-9 |
| 1979/1980 | 2.46 | 吨/公顷 | 2026-9 |
| 1978/1979 | 1.753 | 吨/公顷 | 2026-9 |
| 1977/1978 | 2.171 | 吨/公顷 | 2026-9 |
| 1976/1977 | 2.444 | 吨/公顷 | 2026-9 |
| 1975/1976 | 2.271 | 吨/公顷 | 2026-9 |
| 1974/1975 | 2.322 | 吨/公顷 | 2026-9 |
| 1973/1974 | 2.189 | 吨/公顷 | 2026-9 |
| 1972/1973 | 1.694 | 吨/公顷 | 2026-9 |
| 1971/1972 | 1.833 | 吨/公顷 | 2026-9 |
| 1970/1971 | 2.125 | 吨/公顷 | 2026-9 |
| 1969/1970 | 0 | 吨/公顷 | 2026-9 |
| 1968/1969 | 0 | 吨/公顷 | 2026-9 |
| 1967/1968 | 0 | 吨/公顷 | 2026-9 |
| 1966/1967 | 0 | 吨/公顷 | 2026-9 |
| 1965/1966 | 0 | 吨/公顷 | 2026-9 |
| 1964/1965 | 0 | 吨/公顷 | 2026-9 |
| 1963/1964 | 0 | 吨/公顷 | 2026-9 |
| 1962/1963 | 0 | 吨/公顷 | 2026-9 |
| 1961/1962 | 0 | 吨/公顷 | 2026-9 |
| 1960/1961 | 0 | 吨/公顷 | 2026-9 |