| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 3 | 吨/公顷 | 2026-9 |
| 2025/2026 | 3.123 | 吨/公顷 | 2026-9 |
| 2024/2025 | 3.104 | 吨/公顷 | 2026-9 |
| 2023/2024 | 2.081 | 吨/公顷 | 2026-9 |
| 2022/2023 | 3.361 | 吨/公顷 | 2026-9 |
| 2021/2022 | 3 | 吨/公顷 | 2026-9 |
| 2020/2021 | 3.078 | 吨/公顷 | 2026-9 |
| 2019/2020 | 2.751 | 吨/公顷 | 2026-9 |
| 2018/2019 | 3.209 | 吨/公顷 | 2026-9 |
| 2017/2018 | 3.182 | 吨/公顷 | 2026-9 |
| 2016/2017 | 2.775 | 吨/公顷 | 2026-9 |
| 2015/2016 | 2.482 | 吨/公顷 | 2026-9 |
| 2014/2015 | 3.181 | 吨/公顷 | 2026-9 |
| 2013/2014 | 2.766 | 吨/公顷 | 2026-9 |
| 2012/2013 | 2.621 | 吨/公顷 | 2026-9 |
| 2011/2012 | 2.617 | 吨/公顷 | 2026-9 |
| 2010/2011 | 2.591 | 吨/公顷 | 2026-9 |
| 2009/2010 | 2.446 | 吨/公顷 | 2026-9 |
| 2008/2009 | 2.462 | 吨/公顷 | 2026-9 |
| 2007/2008 | 2.528 | 吨/公顷 | 2026-9 |
| 2006/2007 | 2.35 | 吨/公顷 | 2026-9 |
| 2005/2006 | 2.801 | 吨/公顷 | 2026-9 |
| 2004/2005 | 2.692 | 吨/公顷 | 2026-9 |
| 2003/2004 | 2.061 | 吨/公顷 | 2026-9 |
| 2002/2003 | 2.608 | 吨/公顷 | 2026-9 |
| 2001/2002 | 1.527 | 吨/公顷 | 2026-9 |
| 2000/2001 | 2.346 | 吨/公顷 | 2026-9 |
| 1999/2000 | 1.943 | 吨/公顷 | 2026-9 |
| 1998/1999 | 1.396 | 吨/公顷 | 2026-9 |
| 1997/1998 | 2.152 | 吨/公顷 | 2026-9 |
| 1996/1997 | 2.12 | 吨/公顷 | 2026-9 |
| 1995/1996 | 2.856 | 吨/公顷 | 2026-9 |
| 1994/1995 | 2.182 | 吨/公顷 | 2026-9 |
| 1993/1994 | 1.868 | 吨/公顷 | 2026-9 |
| 1992/1993 | 1.859 | 吨/公顷 | 2026-9 |
| 1991/1992 | 1.962 | 吨/公顷 | 2026-9 |
| 1990/1991 | 2.287 | 吨/公顷 | 2026-9 |
| 1989/1990 | 2.309 | 吨/公顷 | 2026-9 |
| 1988/1989 | 2.085 | 吨/公顷 | 2026-9 |
| 1987/1988 | 2.012 | 吨/公顷 | 2026-9 |
| 1986/1987 | 2.338 | 吨/公顷 | 2026-9 |
| 1985/1986 | 2.203 | 吨/公顷 | 2026-9 |
| 1984/1985 | 1.951 | 吨/公顷 | 2026-9 |
| 1983/1984 | 1.938 | 吨/公顷 | 2026-9 |
| 1982/1983 | 1.623 | 吨/公顷 | 2026-9 |
| 1981/1982 | 1.603 | 吨/公顷 | 2026-9 |
| 1980/1981 | 1.424 | 吨/公顷 | 2026-9 |
| 1979/1980 | 1.49 | 吨/公顷 | 2026-9 |
| 1978/1979 | 1.413 | 吨/公顷 | 2026-9 |
| 1977/1978 | 1.739 | 吨/公顷 | 2026-9 |
| 1976/1977 | 1.569 | 吨/公顷 | 2026-9 |
| 1975/1976 | 1.693 | 吨/公顷 | 2026-9 |
| 1974/1975 | 1.628 | 吨/公顷 | 2026-9 |
| 1973/1974 | 1.683 | 吨/公顷 | 2026-9 |
| 1972/1973 | 1.652 | 吨/公顷 | 2026-9 |
| 1971/1972 | 1.604 | 吨/公顷 | 2026-9 |
| 1970/1971 | 1.28 | 吨/公顷 | 2026-9 |
| 1969/1970 | 1.694 | 吨/公顷 | 2026-9 |
| 1968/1969 | 1.941 | 吨/公顷 | 2026-9 |
| 1967/1968 | 1.839 | 吨/公顷 | 2026-9 |
| 1966/1967 | 1.529 | 吨/公顷 | 2026-9 |
| 1965/1966 | 1.546 | 吨/公顷 | 2026-9 |
| 1964/1965 | 1.516 | 吨/公顷 | 2026-9 |
| 1963/1964 | 1.483 | 吨/公顷 | 2026-9 |
| 1962/1963 | 1.444 | 吨/公顷 | 2026-9 |
| 1961/1962 | 1.417 | 吨/公顷 | 2026-9 |
| 1960/1961 | 1.435 | 吨/公顷 | 2026-9 |