| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 3.469 | 吨/公顷 | 2026-9 |
| 2025/2026 | 3.607 | 吨/公顷 | 2026-9 |
| 2024/2025 | 3.461 | 吨/公顷 | 2026-9 |
| 2023/2024 | 3.551 | 吨/公顷 | 2026-9 |
| 2022/2023 | 3.344 | 吨/公顷 | 2026-9 |
| 2021/2022 | 3.331 | 吨/公顷 | 2026-9 |
| 2020/2021 | 3.306 | 吨/公顷 | 2026-9 |
| 2019/2020 | 3.599 | 吨/公顷 | 2026-9 |
| 2018/2019 | 3.925 | 吨/公顷 | 2026-9 |
| 2017/2018 | 3.785 | 吨/公顷 | 2026-9 |
| 2016/2017 | 3.849 | 吨/公顷 | 2026-9 |
| 2015/2016 | 3.688 | 吨/公顷 | 2026-9 |
| 2014/2015 | 4.24 | 吨/公顷 | 2026-9 |
| 2013/2014 | 4.455 | 吨/公顷 | 2026-9 |
| 2012/2013 | 4.439 | 吨/公顷 | 2026-9 |
| 2011/2012 | 4.251 | 吨/公顷 | 2026-9 |
| 2010/2011 | 4.334 | 吨/公顷 | 2026-9 |
| 2009/2010 | 4.358 | 吨/公顷 | 2026-9 |
| 2008/2009 | 4.407 | 吨/公顷 | 2026-9 |
| 2007/2008 | 4.667 | 吨/公顷 | 2026-9 |
| 2006/2007 | 4.129 | 吨/公顷 | 2026-9 |
| 2005/2006 | 4.265 | 吨/公顷 | 2026-9 |
| 2004/2005 | 4.403 | 吨/公顷 | 2026-9 |
| 2003/2004 | 4.063 | 吨/公顷 | 2026-9 |
| 2002/2003 | 4.134 | 吨/公顷 | 2026-9 |
| 2001/2002 | 3.946 | 吨/公顷 | 2026-9 |
| 2000/2001 | 4.057 | 吨/公顷 | 2026-9 |
| 1999/2000 | 3.672 | 吨/公顷 | 2026-9 |
| 1998/1999 | 3.699 | 吨/公顷 | 2026-9 |
| 1997/1998 | 3.386 | 吨/公顷 | 2026-9 |
| 1996/1997 | 3.827 | 吨/公顷 | 2026-9 |
| 1995/1996 | 3.684 | 吨/公顷 | 2026-9 |
| 1994/1995 | 3.625 | 吨/公顷 | 2026-9 |
| 1993/1994 | 3.513 | 吨/公顷 | 2026-9 |
| 1992/1993 | 3.77 | 吨/公顷 | 2026-9 |
| 1991/1992 | 3.407 | 吨/公顷 | 2026-9 |
| 1990/1991 | 3.454 | 吨/公顷 | 2026-9 |
| 1989/1990 | 3.835 | 吨/公顷 | 2026-9 |
| 1988/1989 | 3.681 | 吨/公顷 | 2026-9 |
| 1987/1988 | 3.534 | 吨/公顷 | 2026-9 |
| 1986/1987 | 3.351 | 吨/公顷 | 2026-9 |
| 1985/1986 | 3.973 | 吨/公顷 | 2026-9 |
| 1984/1985 | 3.561 | 吨/公顷 | 2026-9 |
| 1983/1984 | 3.288 | 吨/公顷 | 2026-9 |
| 1982/1983 | 3.576 | 吨/公顷 | 2026-9 |
| 1981/1982 | 3.952 | 吨/公顷 | 2026-9 |
| 1980/1981 | 3.465 | 吨/公顷 | 2026-9 |
| 1979/1980 | 3.791 | 吨/公顷 | 2026-9 |
| 1978/1979 | 3.629 | 吨/公顷 | 2026-9 |
| 1977/1978 | 3.428 | 吨/公顷 | 2026-9 |
| 1976/1977 | 3.553 | 吨/公顷 | 2026-9 |
| 1975/1976 | 3.606 | 吨/公顷 | 2026-9 |
| 1974/1975 | 0 | 吨/公顷 | 2026-9 |
| 1973/1974 | 0 | 吨/公顷 | 2026-9 |
| 1972/1973 | 0 | 吨/公顷 | 2026-9 |
| 1971/1972 | 0 | 吨/公顷 | 2026-9 |
| 1970/1971 | 0 | 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 |