| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 5.233 | 吨/公顷 | 2026-9 |
| 2025/2026 | 5.2 | 吨/公顷 | 2026-9 |
| 2024/2025 | 5.267 | 吨/公顷 | 2026-9 |
| 2023/2024 | 5.2 | 吨/公顷 | 2026-9 |
| 2022/2023 | 5 | 吨/公顷 | 2026-9 |
| 2021/2022 | 5.258 | 吨/公顷 | 2026-9 |
| 2020/2021 | 4.954 | 吨/公顷 | 2026-9 |
| 2019/2020 | 5.02 | 吨/公顷 | 2026-9 |
| 2018/2019 | 5.194 | 吨/公顷 | 2026-9 |
| 2017/2018 | 5.309 | 吨/公顷 | 2026-9 |
| 2016/2017 | 4.892 | 吨/公顷 | 2026-9 |
| 2015/2016 | 4.8 | 吨/公顷 | 2026-9 |
| 2014/2015 | 5.432 | 吨/公顷 | 2026-9 |
| 2013/2014 | 5.366 | 吨/公顷 | 2026-9 |
| 2012/2013 | 5.294 | 吨/公顷 | 2026-9 |
| 2011/2012 | 5.344 | 吨/公顷 | 2026-9 |
| 2010/2011 | 5.014 | 吨/公顷 | 2026-9 |
| 2009/2010 | 5.539 | 吨/公顷 | 2026-9 |
| 2008/2009 | 5.63 | 吨/公顷 | 2026-9 |
| 2007/2008 | 5.664 | 吨/公顷 | 2026-9 |
| 2006/2007 | 5.686 | 吨/公顷 | 2026-9 |
| 2005/2006 | 5.612 | 吨/公顷 | 2026-9 |
| 2004/2005 | 5.684 | 吨/公顷 | 2026-9 |
| 2003/2004 | 5.743 | 吨/公顷 | 2026-9 |
| 2002/2003 | 5.782 | 吨/公顷 | 2026-9 |
| 2001/2002 | 5.785 | 吨/公顷 | 2026-9 |
| 2000/2001 | 5.773 | 吨/公顷 | 2026-9 |
| 1999/2000 | 4.839 | 吨/公顷 | 2026-9 |
| 1998/1999 | 4.781 | 吨/公顷 | 2026-9 |
| 1997/1998 | 4.775 | 吨/公顷 | 2026-9 |
| 1996/1997 | 5.511 | 吨/公顷 | 2026-9 |
| 1995/1996 | 5.237 | 吨/公顷 | 2026-9 |
| 1994/1995 | 4.634 | 吨/公顷 | 2026-9 |
| 1993/1994 | 5.103 | 吨/公顷 | 2026-9 |
| 1992/1993 | 4.731 | 吨/公顷 | 2026-9 |
| 1991/1992 | 4.697 | 吨/公顷 | 2026-9 |
| 1990/1991 | 4.7 | 吨/公顷 | 2026-9 |
| 1989/1990 | 4.543 | 吨/公顷 | 2026-9 |
| 1988/1989 | 4.481 | 吨/公顷 | 2026-9 |
| 1987/1988 | 4.186 | 吨/公顷 | 2026-9 |
| 1986/1987 | 3.571 | 吨/公顷 | 2026-9 |
| 1985/1986 | 3.88 | 吨/公顷 | 2026-9 |
| 1984/1985 | 3.674 | 吨/公顷 | 2026-9 |
| 1983/1984 | 3.702 | 吨/公顷 | 2026-9 |
| 1982/1983 | 3.725 | 吨/公顷 | 2026-9 |
| 1981/1982 | 3.775 | 吨/公顷 | 2026-9 |
| 1980/1981 | 3.738 | 吨/公顷 | 2026-9 |
| 1979/1980 | 3.872 | 吨/公顷 | 2026-9 |
| 1978/1979 | 3.742 | 吨/公顷 | 2026-9 |
| 1977/1978 | 3.767 | 吨/公顷 | 2026-9 |
| 1976/1977 | 3.884 | 吨/公顷 | 2026-9 |
| 1975/1976 | 3.781 | 吨/公顷 | 2026-9 |
| 1974/1975 | 3.924 | 吨/公顷 | 2026-9 |
| 1973/1974 | 4.357 | 吨/公顷 | 2026-9 |
| 1972/1973 | 3.957 | 吨/公顷 | 2026-9 |
| 1971/1972 | 4.126 | 吨/公顷 | 2026-9 |
| 1970/1971 | 4.162 | 吨/公顷 | 2026-9 |
| 1969/1970 | 4.085 | 吨/公顷 | 2026-9 |
| 1968/1969 | 4.063 | 吨/公顷 | 2026-9 |
| 1967/1968 | 4.023 | 吨/公顷 | 2026-9 |
| 1966/1967 | 3.94 | 吨/公顷 | 2026-9 |
| 1965/1966 | 3.838 | 吨/公顷 | 2026-9 |
| 1964/1965 | 3.575 | 吨/公顷 | 2026-9 |
| 1963/1964 | 3.591 | 吨/公顷 | 2026-9 |
| 1962/1963 | 3.45 | 吨/公顷 | 2026-9 |
| 1961/1962 | 3.287 | 吨/公顷 | 2026-9 |
| 1960/1961 | 3.304 | 吨/公顷 | 2026-9 |