| 年度 | 数值 | 单位 | 发布日期 |
| 2026/2027 | 6.383 | 吨/公顷 | 2026-9 |
| 2025/2026 | 6.383 | 吨/公顷 | 2026-9 |
| 2024/2025 | 6.564 | 吨/公顷 | 2026-9 |
| 2023/2024 | 6.581 | 吨/公顷 | 2026-9 |
| 2022/2023 | 6.594 | 吨/公顷 | 2026-9 |
| 2021/2022 | 6.969 | 吨/公顷 | 2026-9 |
| 2020/2021 | 6.683 | 吨/公顷 | 2026-9 |
| 2019/2020 | 6.633 | 吨/公顷 | 2026-9 |
| 2018/2019 | 7.169 | 吨/公顷 | 2026-9 |
| 2017/2018 | 6.378 | 吨/公顷 | 2026-9 |
| 2016/2017 | 5.799 | 吨/公顷 | 2026-9 |
| 2015/2016 | 5.71 | 吨/公顷 | 2026-9 |
| 2014/2015 | 6.388 | 吨/公顷 | 2026-9 |
| 2013/2014 | 5.889 | 吨/公顷 | 2026-9 |
| 2012/2013 | 6.513 | 吨/公顷 | 2026-9 |
| 2011/2012 | 6.559 | 吨/公顷 | 2026-9 |
| 2010/2011 | 5.951 | 吨/公顷 | 2026-9 |
| 2009/2010 | 6.188 | 吨/公顷 | 2026-9 |
| 2008/2009 | 5.782 | 吨/公顷 | 2026-9 |
| 2007/2008 | 5.242 | 吨/公顷 | 2026-9 |
| 2006/2007 | 5.928 | 吨/公顷 | 2026-9 |
| 2005/2006 | 5.454 | 吨/公顷 | 2026-9 |
| 2004/2005 | 6.051 | 吨/公顷 | 2026-9 |
| 2003/2004 | 6.059 | 吨/公顷 | 2026-9 |
| 2002/2003 | 5.873 | 吨/公顷 | 2026-9 |
| 2001/2002 | 5.19 | 吨/公顷 | 2026-9 |
| 2000/2001 | 5.606 | 吨/公顷 | 2026-9 |
| 1999/2000 | 5.428 | 吨/公顷 | 2026-9 |
| 1998/1999 | 5.193 | 吨/公顷 | 2026-9 |
| 1997/1998 | 5.61 | 吨/公顷 | 2026-9 |
| 1996/1997 | 5.549 | 吨/公顷 | 2026-9 |
| 1995/1996 | 5.705 | 吨/公顷 | 2026-9 |
| 1994/1995 | 5.631 | 吨/公顷 | 2026-9 |
| 1993/1994 | 5.486 | 吨/公顷 | 2026-9 |
| 1992/1993 | 5.189 | 吨/公顷 | 2026-9 |
| 1991/1992 | 5.361 | 吨/公顷 | 2026-9 |
| 1990/1991 | 5.033 | 吨/公顷 | 2026-9 |
| 1989/1990 | 4.966 | 吨/公顷 | 2026-9 |
| 1988/1989 | 4.953 | 吨/公顷 | 2026-9 |
| 1987/1988 | 4.794 | 吨/公顷 | 2026-9 |
| 1986/1987 | 4.692 | 吨/公顷 | 2026-9 |
| 1985/1986 | 4.876 | 吨/公顷 | 2026-9 |
| 1984/1985 | 4.837 | 吨/公顷 | 2026-9 |
| 1983/1984 | 4.873 | 吨/公顷 | 2026-9 |
| 1982/1983 | 4.765 | 吨/公顷 | 2026-9 |
| 1981/1982 | 4.504 | 吨/公顷 | 2026-9 |
| 1980/1981 | 4.675 | 吨/公顷 | 2026-9 |
| 1979/1980 | 4.298 | 吨/公顷 | 2026-9 |
| 1978/1979 | 4.112 | 吨/公顷 | 2026-9 |
| 1977/1978 | 4.467 | 吨/公顷 | 2026-9 |
| 1976/1977 | 4.178 | 吨/公顷 | 2026-9 |
| 1975/1976 | 4.279 | 吨/公顷 | 2026-9 |
| 1974/1975 | 4.273 | 吨/公顷 | 2026-9 |
| 1973/1974 | 4.222 | 吨/公顷 | 2026-9 |
| 1972/1973 | 4.46 | 吨/公顷 | 2026-9 |
| 1971/1972 | 4.166 | 吨/公顷 | 2026-9 |
| 1970/1971 | 4.304 | 吨/公顷 | 2026-9 |
| 1969/1970 | 3.999 | 吨/公顷 | 2026-9 |
| 1968/1969 | 4.322 | 吨/公顷 | 2026-9 |
| 1967/1968 | 4.159 | 吨/公顷 | 2026-9 |
| 1966/1967 | 4.089 | 吨/公顷 | 2026-9 |
| 1965/1966 | 4.119 | 吨/公顷 | 2026-9 |
| 1964/1965 | 3.98 | 吨/公顷 | 2026-9 |
| 1963/1964 | 3.817 | 吨/公顷 | 2026-9 |
| 1962/1963 | 3.607 | 吨/公顷 | 2026-9 |
| 1961/1962 | 3.49 | 吨/公顷 | 2026-9 |
| 1960/1961 | 3.384 | 吨/公顷 | 2026-9 |