| 年度 | 数值 | 单位 | 发布时间 |
| 2026/2027 | 11.25 | 吨/公顷 | 2026-9 |
| 2025/2026 | 11.947 | 吨/公顷 | 2026-9 |
| 2024/2025 | 12.842 | 吨/公顷 | 2026-9 |
| 2023/2024 | 10.158 | 吨/公顷 | 2026-9 |
| 2022/2023 | 11.75 | 吨/公顷 | 2026-9 |
| 2021/2022 | 11.611 | 吨/公顷 | 2026-9 |
| 2020/2021 | 11.875 | 吨/公顷 | 2026-9 |
| 2019/2020 | 11.529 | 吨/公顷 | 2026-9 |
| 2018/2019 | 11.294 | 吨/公顷 | 2026-9 |
| 2017/2018 | 10.353 | 吨/公顷 | 2026-9 |
| 2016/2017 | 11.667 | 吨/公顷 | 2026-9 |
| 2015/2016 | 11.3 | 吨/公顷 | 2026-9 |
| 2014/2015 | 10.773 | 吨/公顷 | 2026-9 |
| 2013/2014 | 10.632 | 吨/公顷 | 2026-9 |
| 2012/2013 | 11.105 | 吨/公顷 | 2026-9 |
| 2011/2012 | 11.053 | 吨/公顷 | 2026-9 |
| 2010/2011 | 10.5 | 吨/公顷 | 2026-9 |
| 2009/2010 | 10.818 | 吨/公顷 | 2026-9 |
| 2008/2009 | 11.444 | 吨/公顷 | 2026-9 |
| 2007/2008 | 10.941 | 吨/公顷 | 2026-9 |
| 2006/2007 | 10.8 | 吨/公顷 | 2026-9 |
| 2005/2006 | 11.053 | 吨/公顷 | 2026-9 |
| 2004/2005 | 11.7 | 吨/公顷 | 2026-9 |
| 2003/2004 | 10.6 | 吨/公顷 | 2026-9 |
| 2002/2003 | 10.643 | 吨/公顷 | 2026-9 |
| 2001/2002 | 10.412 | 吨/公顷 | 2026-9 |
| 2000/2001 | 9.667 | 吨/公顷 | 2026-9 |
| 1999/2000 | 9.667 | 吨/公顷 | 2026-9 |
| 1998/1999 | 9.667 | 吨/公顷 | 2026-9 |
| 1997/1998 | 9.667 | 吨/公顷 | 2026-9 |
| 1996/1997 | 9.667 | 吨/公顷 | 2026-9 |
| 1995/1996 | 8.889 | 吨/公顷 | 2026-9 |
| 1994/1995 | 8.889 | 吨/公顷 | 2026-9 |
| 1993/1994 | 9.444 | 吨/公顷 | 2026-9 |
| 1992/1993 | 8.79 | 吨/公顷 | 2026-9 |
| 1991/1992 | 9.632 | 吨/公顷 | 2026-9 |
| 1990/1991 | 9 | 吨/公顷 | 2026-9 |
| 1989/1990 | 9.267 | 吨/公顷 | 2026-9 |
| 1988/1989 | 8.684 | 吨/公顷 | 2026-9 |
| 1987/1988 | 9.75 | 吨/公顷 | 2026-9 |
| 1986/1987 | 10.16 | 吨/公顷 | 2026-9 |
| 1985/1986 | 9.455 | 吨/公顷 | 2026-9 |
| 1984/1985 | 9.059 | 吨/公顷 | 2026-9 |
| 1983/1984 | 9.046 | 吨/公顷 | 2026-9 |
| 1982/1983 | 8.412 | 吨/公顷 | 2026-9 |
| 1981/1982 | 8.947 | 吨/公顷 | 2026-9 |
| 1980/1981 | 8.941 | 吨/公顷 | 2026-9 |
| 1979/1980 | 8.211 | 吨/公顷 | 2026-9 |
| 1978/1979 | 8.136 | 吨/公顷 | 2026-9 |
| 1977/1978 | 7 | 吨/公顷 | 2026-9 |
| 1976/1977 | 7.241 | 吨/公顷 | 2026-9 |
| 1975/1976 | 7.077 | 吨/公顷 | 2026-9 |
| 1974/1975 | 7.524 | 吨/公顷 | 2026-9 |
| 1973/1974 | 7.222 | 吨/公顷 | 2026-9 |
| 1972/1973 | 9.077 | 吨/公顷 | 2026-9 |
| 1971/1972 | 7.733 | 吨/公顷 | 2026-9 |
| 1970/1971 | 8.417 | 吨/公顷 | 2026-9 |
| 1969/1970 | 7.375 | 吨/公顷 | 2026-9 |
| 1968/1969 | 7.286 | 吨/公顷 | 2026-9 |
| 1967/1968 | 6 | 吨/公顷 | 2026-9 |
| 1966/1967 | 6 | 吨/公顷 | 2026-9 |
| 1965/1966 | 6.333 | 吨/公顷 | 2026-9 |
| 1964/1965 | 6 | 吨/公顷 | 2026-9 |
| 1963/1964 | 4.75 | 吨/公顷 | 2026-9 |
| 1962/1963 | 5 | 吨/公顷 | 2026-9 |
| 1961/1962 | 4.667 | 吨/公顷 | 2026-9 |
| 1960/1961 | 3.333 | 吨/公顷 | 2026-9 |