| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 3.359 | 吨/公顷 | 2026-9 |
| 2025/2026 | 4.106 | 吨/公顷 | 2026-9 |
| 2024/2025 | 2.919 | 吨/公顷 | 2026-9 |
| 2023/2024 | 2.843 | 吨/公顷 | 2026-9 |
| 2022/2023 | 2.282 | 吨/公顷 | 2026-9 |
| 2021/2022 | 3.382 | 吨/公顷 | 2026-9 |
| 2020/2021 | 2.758 | 吨/公顷 | 2026-9 |
| 2019/2020 | 2.935 | 吨/公顷 | 2026-9 |
| 2018/2019 | 3.223 | 吨/公顷 | 2026-9 |
| 2017/2018 | 3.19 | 吨/公顷 | 2026-9 |
| 2016/2017 | 3.309 | 吨/公顷 | 2026-9 |
| 2015/2016 | 2.864 | 吨/公顷 | 2026-9 |
| 2014/2015 | 2.81 | 吨/公顷 | 2026-9 |
| 2013/2014 | 3 | 吨/公顷 | 2026-9 |
| 2012/2013 | 2.583 | 吨/公顷 | 2026-9 |
| 2011/2012 | 2.998 | 吨/公顷 | 2026-9 |
| 2010/2011 | 3.55 | 吨/公顷 | 2026-9 |
| 2009/2010 | 3 | 吨/公顷 | 2026-9 |
| 2008/2009 | 2.095 | 吨/公顷 | 2026-9 |
| 2007/2008 | 2.827 | 吨/公顷 | 2026-9 |
| 2006/2007 | 2.625 | 吨/公顷 | 2026-9 |
| 2005/2006 | 2.523 | 吨/公顷 | 2026-9 |
| 2004/2005 | 2.628 | 吨/公顷 | 2026-9 |
| 2003/2004 | 2.534 | 吨/公顷 | 2026-9 |
| 2002/2003 | 2.039 | 吨/公顷 | 2026-9 |
| 2001/2002 | 2.24 | 吨/公顷 | 2026-9 |
| 2000/2001 | 2.492 | 吨/公顷 | 2026-9 |
| 1999/2000 | 2.665 | 吨/公顷 | 2026-9 |
| 1998/1999 | 2.463 | 吨/公顷 | 2026-9 |
| 1997/1998 | 2.76 | 吨/公顷 | 2026-9 |
| 1996/1997 | 2.241 | 吨/公顷 | 2026-9 |
| 1995/1996 | 1.911 | 吨/公顷 | 2026-9 |
| 1994/1995 | 2.166 | 吨/公顷 | 2026-9 |
| 1993/1994 | 2.022 | 吨/公顷 | 2026-9 |
| 1992/1993 | 2.321 | 吨/公顷 | 2026-9 |
| 1991/1992 | 2.174 | 吨/公顷 | 2026-9 |
| 1990/1991 | 1.896 | 吨/公顷 | 2026-9 |
| 1989/1990 | 1.892 | 吨/公顷 | 2026-9 |
| 1988/1989 | 1.836 | 吨/公顷 | 2026-9 |
| 1987/1988 | 1.879 | 吨/公顷 | 2026-9 |
| 1986/1987 | 1.793 | 吨/公顷 | 2026-9 |
| 1985/1986 | 1.613 | 吨/公顷 | 2026-9 |
| 1984/1985 | 2.219 | 吨/公顷 | 2026-9 |
| 1983/1984 | 1.853 | 吨/公顷 | 2026-9 |
| 1982/1983 | 2.049 | 吨/公顷 | 2026-9 |
| 1981/1982 | 1.401 | 吨/公顷 | 2026-9 |
| 1980/1981 | 1.549 | 吨/公顷 | 2026-9 |
| 1979/1980 | 1.692 | 吨/公顷 | 2026-9 |
| 1978/1979 | 1.729 | 吨/公顷 | 2026-9 |
| 1977/1978 | 1.458 | 吨/公顷 | 2026-9 |
| 1976/1977 | 1.711 | 吨/公顷 | 2026-9 |
| 1975/1976 | 1.626 | 吨/公顷 | 2026-9 |
| 1974/1975 | 1.41 | 吨/公顷 | 2026-9 |
| 1973/1974 | 1.657 | 吨/公顷 | 2026-9 |
| 1972/1973 | 1.39 | 吨/公顷 | 2026-9 |
| 1971/1972 | 1.316 | 吨/公顷 | 2026-9 |
| 1970/1971 | 1.329 | 吨/公顷 | 2026-9 |
| 1969/1970 | 1.352 | 吨/公顷 | 2026-9 |
| 1968/1969 | 0.983 | 吨/公顷 | 2026-9 |
| 1967/1968 | 1.26 | 吨/公顷 | 2026-9 |
| 1966/1967 | 1.198 | 吨/公顷 | 2026-9 |
| 1965/1966 | 1.321 | 吨/公顷 | 2026-9 |
| 1964/1965 | 1.835 | 吨/公顷 | 2026-9 |
| 1963/1964 | 1.575 | 吨/公顷 | 2026-9 |
| 1962/1963 | 1.522 | 吨/公顷 | 2026-9 |
| 1961/1962 | 1.295 | 吨/公顷 | 2026-9 |
| 1960/1961 | 1.1 | 吨/公顷 | 2026-9 |