| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 2.182 | 吨/公顷 | 2026-9 |
| 2025/2026 | 1.188 | 吨/公顷 | 2026-9 |
| 2024/2025 | 0.825 | 吨/公顷 | 2026-9 |
| 2023/2024 | 1.154 | 吨/公顷 | 2026-9 |
| 2022/2023 | 0.612 | 吨/公顷 | 2026-9 |
| 2021/2022 | 1.867 | 吨/公顷 | 2026-9 |
| 2020/2021 | 0.431 | 吨/公顷 | 2026-9 |
| 2019/2020 | 1.106 | 吨/公顷 | 2026-9 |
| 2018/2019 | 1.826 | 吨/公顷 | 2026-9 |
| 2017/2018 | 1.232 | 吨/公顷 | 2026-9 |
| 2016/2017 | 0.513 | 吨/公顷 | 2026-9 |
| 2015/2016 | 1.699 | 吨/公顷 | 2026-9 |
| 2014/2015 | 1.033 | 吨/公顷 | 2026-9 |
| 2013/2014 | 1.384 | 吨/公顷 | 2026-9 |
| 2012/2013 | 0.634 | 吨/公顷 | 2026-9 |
| 2011/2012 | 1.144 | 吨/公顷 | 2026-9 |
| 2010/2011 | 1.337 | 吨/公顷 | 2026-9 |
| 2009/2010 | 1.734 | 吨/公顷 | 2026-9 |
| 2008/2009 | 0.62 | 吨/公顷 | 2026-9 |
| 2007/2008 | 0.383 | 吨/公顷 | 2026-9 |
| 2006/2007 | 1.154 | 吨/公顷 | 2026-9 |
| 2005/2006 | 0.506 | 吨/公顷 | 2026-9 |
| 2004/2005 | 1.188 | 吨/公顷 | 2026-9 |
| 2003/2004 | 1.156 | 吨/公顷 | 2026-9 |
| 2002/2003 | 0.834 | 吨/公顷 | 2026-9 |
| 2001/2002 | 0.543 | 吨/公顷 | 2026-9 |
| 2000/2001 | 0.208 | 吨/公顷 | 2026-9 |
| 1999/2000 | 0.712 | 吨/公顷 | 2026-9 |
| 1998/1999 | 0.812 | 吨/公顷 | 2026-9 |
| 1997/1998 | 0.663 | 吨/公顷 | 2026-9 |
| 1996/1997 | 1.577 | 吨/公顷 | 2026-9 |
| 1995/1996 | 0.462 | 吨/公顷 | 2026-9 |
| 1994/1995 | 1.441 | 吨/公顷 | 2026-9 |
| 1993/1994 | 0.474 | 吨/公顷 | 2026-9 |
| 1992/1993 | 0.484 | 吨/公顷 | 2026-9 |
| 1991/1992 | 1.38 | 吨/公顷 | 2026-9 |
| 1990/1991 | 0.885 | 吨/公顷 | 2026-9 |
| 1989/1990 | 1.25 | 吨/公顷 | 2026-9 |
| 1988/1989 | 1.382 | 吨/公顷 | 2026-9 |
| 1987/1988 | 0.667 | 吨/公顷 | 2026-9 |
| 1986/1987 | 1.441 | 吨/公顷 | 2026-9 |
| 1985/1986 | 0.934 | 吨/公顷 | 2026-9 |
| 1984/1985 | 0.661 | 吨/公顷 | 2026-9 |
| 1983/1984 | 0.571 | 吨/公顷 | 2026-9 |
| 1982/1983 | 1.14 | 吨/公顷 | 2026-9 |
| 1981/1982 | 0.466 | 吨/公顷 | 2026-9 |
| 1980/1981 | 1.028 | 吨/公顷 | 2026-9 |
| 1979/1980 | 0.87 | 吨/公顷 | 2026-9 |
| 1978/1979 | 0.974 | 吨/公顷 | 2026-9 |
| 1977/1978 | 0.581 | 吨/公顷 | 2026-9 |
| 1976/1977 | 1.351 | 吨/公顷 | 2026-9 |
| 1975/1976 | 1.555 | 吨/公顷 | 2026-9 |
| 1974/1975 | 1.21 | 吨/公顷 | 2026-9 |
| 1973/1974 | 0.623 | 吨/公顷 | 2026-9 |
| 1972/1973 | 1.095 | 吨/公顷 | 2026-9 |
| 1971/1972 | 1.015 | 吨/公顷 | 2026-9 |
| 1970/1971 | 0.869 | 吨/公顷 | 2026-9 |
| 1969/1970 | 0.771 | 吨/公顷 | 2026-9 |
| 1968/1969 | 1.808 | 吨/公顷 | 2026-9 |
| 1967/1968 | 0.853 | 吨/公顷 | 2026-9 |
| 1966/1967 | 0.673 | 吨/公顷 | 2026-9 |
| 1965/1966 | 0.73 | 吨/公顷 | 2026-9 |
| 1964/1965 | 0.68 | 吨/公顷 | 2026-9 |
| 1963/1964 | 0.756 | 吨/公顷 | 2026-9 |
| 1962/1963 | 0.772 | 吨/公顷 | 2026-9 |
| 1961/1962 | 0.305 | 吨/公顷 | 2026-9 |
| 1960/1961 | 0.688 | 吨/公顷 | 2026-9 |