| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 4.188 | 吨/公顷 | 2026-9 |
| 2025/2026 | 4.136 | 吨/公顷 | 2026-9 |
| 2024/2025 | 4.177 | 吨/公顷 | 2026-9 |
| 2023/2024 | 4.124 | 吨/公顷 | 2026-9 |
| 2022/2023 | 4.134 | 吨/公顷 | 2026-9 |
| 2021/2022 | 4.145 | 吨/公顷 | 2026-9 |
| 2020/2021 | 4.139 | 吨/公顷 | 2026-9 |
| 2019/2020 | 4.083 | 吨/公顷 | 2026-9 |
| 2018/2019 | 3.928 | 吨/公顷 | 2026-9 |
| 2017/2018 | 4.009 | 吨/公顷 | 2026-9 |
| 2016/2017 | 3.927 | 吨/公顷 | 2026-9 |
| 2015/2016 | 3.863 | 吨/公顷 | 2026-9 |
| 2014/2015 | 4.019 | 吨/公顷 | 2026-9 |
| 2013/2014 | 3.921 | 吨/公顷 | 2026-9 |
| 2012/2013 | 3.861 | 吨/公顷 | 2026-9 |
| 2011/2012 | 3.713 | 吨/公顷 | 2026-9 |
| 2010/2011 | 3.695 | 吨/公顷 | 2026-9 |
| 2009/2010 | 3.521 | 吨/公顷 | 2026-9 |
| 2008/2009 | 3.77 | 吨/公顷 | 2026-9 |
| 2007/2008 | 3.827 | 吨/公顷 | 2026-9 |
| 2006/2007 | 3.7 | 吨/公顷 | 2026-9 |
| 2005/2006 | 3.629 | 吨/公顷 | 2026-9 |
| 2004/2005 | 3.537 | 吨/公顷 | 2026-9 |
| 2003/2004 | 3.457 | 吨/公顷 | 2026-9 |
| 2002/2003 | 3.171 | 吨/公顷 | 2026-9 |
| 2001/2002 | 3.186 | 吨/公顷 | 2026-9 |
| 2000/2001 | 3.106 | 吨/公顷 | 2026-9 |
| 1999/2000 | 2.993 | 吨/公顷 | 2026-9 |
| 1998/1999 | 2.829 | 吨/公顷 | 2026-9 |
| 1997/1998 | 2.851 | 吨/公顷 | 2026-9 |
| 1996/1997 | 2.859 | 吨/公顷 | 2026-9 |
| 1995/1996 | 2.848 | 吨/公顷 | 2026-9 |
| 1994/1995 | 2.856 | 吨/公顷 | 2026-9 |
| 1993/1994 | 2.88 | 吨/公顷 | 2026-9 |
| 1992/1993 | 2.942 | 吨/公顷 | 2026-9 |
| 1991/1992 | 2.777 | 吨/公顷 | 2026-9 |
| 1990/1991 | 2.879 | 吨/公顷 | 2026-9 |
| 1989/1990 | 2.584 | 吨/公顷 | 2026-9 |
| 1988/1989 | 2.647 | 吨/公顷 | 2026-9 |
| 1987/1988 | 2.646 | 吨/公顷 | 2026-9 |
| 1986/1987 | 2.637 | 吨/公顷 | 2026-9 |
| 1985/1986 | 2.673 | 吨/公顷 | 2026-9 |
| 1984/1985 | 2.545 | 吨/公顷 | 2026-9 |
| 1983/1984 | 2.497 | 吨/公顷 | 2026-9 |
| 1982/1983 | 2.386 | 吨/公顷 | 2026-9 |
| 1981/1982 | 2.356 | 吨/公顷 | 2026-9 |
| 1980/1981 | 2.233 | 吨/公顷 | 2026-9 |
| 1979/1980 | 2.154 | 吨/公顷 | 2026-9 |
| 1978/1979 | 2.11 | 吨/公顷 | 2026-9 |
| 1977/1978 | 2.097 | 吨/公顷 | 2026-9 |
| 1976/1977 | 1.927 | 吨/公顷 | 2026-9 |
| 1975/1976 | 1.808 | 吨/公顷 | 2026-9 |
| 1974/1975 | 1.667 | 吨/公顷 | 2026-9 |
| 1973/1974 | 1.579 | 吨/公顷 | 2026-9 |
| 1972/1973 | 1.366 | 吨/公顷 | 2026-9 |
| 1971/1972 | 1.5 | 吨/公顷 | 2026-9 |
| 1970/1971 | 1.639 | 吨/公顷 | 2026-9 |
| 1969/1970 | 1.681 | 吨/公顷 | 2026-9 |
| 1968/1969 | 1.334 | 吨/公顷 | 2026-9 |
| 1967/1968 | 1.38 | 吨/公顷 | 2026-9 |
| 1966/1967 | 1.322 | 吨/公顷 | 2026-9 |
| 1965/1966 | 1.31 | 吨/公顷 | 2026-9 |
| 1964/1965 | 1.248 | 吨/公顷 | 2026-9 |
| 1963/1964 | 1.245 | 吨/公顷 | 2026-9 |
| 1962/1963 | 1.255 | 吨/公顷 | 2026-9 |
| 1961/1962 | 1.23 | 吨/公顷 | 2026-9 |
| 1960/1961 | 1.159 | 吨/公顷 | 2026-9 |