| 年度 | 数值 | 单位 | 发布日期 |
| 2026/2027 | 9.267 | 吨/公顷 | 2026-9 |
| 2025/2026 | 9.889 | 吨/公顷 | 2026-9 |
| 2024/2025 | 10.917 | 吨/公顷 | 2026-9 |
| 2023/2024 | 10.707 | 吨/公顷 | 2026-9 |
| 2022/2023 | 9.769 | 吨/公顷 | 2026-9 |
| 2021/2022 | 10.984 | 吨/公顷 | 2026-9 |
| 2020/2021 | 9.422 | 吨/公顷 | 2026-9 |
| 2019/2020 | 10 | 吨/公顷 | 2026-9 |
| 2018/2019 | 8.375 | 吨/公顷 | 2026-9 |
| 2017/2018 | 10.41 | 吨/公顷 | 2026-9 |
| 2016/2017 | 9.842 | 吨/公顷 | 2026-9 |
| 2015/2016 | 10.148 | 吨/公顷 | 2026-9 |
| 2014/2015 | 9.857 | 吨/公顷 | 2026-9 |
| 2013/2014 | 10.92 | 吨/公顷 | 2026-9 |
| 2012/2013 | 10.184 | 吨/公顷 | 2026-9 |
| 2011/2012 | 8.922 | 吨/公顷 | 2026-9 |
| 2010/2011 | 9.526 | 吨/公顷 | 2026-9 |
| 2009/2010 | 10.368 | 吨/公顷 | 2026-9 |
| 2008/2009 | 8.714 | 吨/公顷 | 2026-9 |
| 2007/2008 | 9 | 吨/公顷 | 2026-9 |
| 2006/2007 | 8.2 | 吨/公顷 | 2026-9 |
| 2005/2006 | 9.814 | 吨/公顷 | 2026-9 |
| 2004/2005 | 6.667 | 吨/公顷 | 2026-9 |
| 2003/2004 | 8.364 | 吨/公顷 | 2026-9 |
| 2002/2003 | 9.522 | 吨/公顷 | 2026-9 |
| 2001/2002 | 8.449 | 吨/公顷 | 2026-9 |
| 2000/2001 | 9.283 | 吨/公顷 | 2026-9 |
| 1999/2000 | 8.278 | 吨/公顷 | 2026-9 |
| 1998/1999 | 9.203 | 吨/公顷 | 2026-9 |
| 1997/1998 | 9.007 | 吨/公顷 | 2026-9 |
| 1996/1997 | 8.224 | 吨/公顷 | 2026-9 |
| 1995/1996 | 7.051 | 吨/公顷 | 2026-9 |
| 1994/1995 | 8.883 | 吨/公顷 | 2026-9 |
| 1993/1994 | 8.205 | 吨/公顷 | 2026-9 |
| 1992/1993 | 7.64 | 吨/公顷 | 2026-9 |
| 1991/1992 | 8.874 | 吨/公顷 | 2026-9 |
| 1990/1991 | 8.843 | 吨/公顷 | 2026-9 |
| 1989/1990 | 8.057 | 吨/公顷 | 2026-9 |
| 1988/1989 | 8.225 | 吨/公顷 | 2026-9 |
| 1987/1988 | 7.056 | 吨/公顷 | 2026-9 |
| 1986/1987 | 5.729 | 吨/公顷 | 2026-9 |
| 1985/1986 | 6.421 | 吨/公顷 | 2026-9 |
| 1984/1985 | 6.857 | 吨/公顷 | 2026-9 |
| 1983/1984 | 5.311 | 吨/公顷 | 2026-9 |
| 1982/1983 | 6.447 | 吨/公顷 | 2026-9 |
| 1981/1982 | 6.951 | 吨/公顷 | 2026-9 |
| 1980/1981 | 7.01 | 吨/公顷 | 2026-9 |
| 1979/1980 | 5.285 | 吨/公顷 | 2026-9 |
| 1978/1979 | 6.291 | 吨/公顷 | 2026-9 |
| 1977/1978 | 5.396 | 吨/公顷 | 2026-9 |
| 1976/1977 | 5.761 | 吨/公顷 | 2026-9 |
| 1975/1976 | 5.56 | 吨/公顷 | 2026-9 |
| 1974/1975 | 5.092 | 吨/公顷 | 2026-9 |
| 1973/1974 | 6.029 | 吨/公顷 | 2026-9 |
| 1972/1973 | 6.867 | 吨/公顷 | 2026-9 |
| 1971/1972 | 6.049 | 吨/公顷 | 2026-9 |
| 1970/1971 | 7.868 | 吨/公顷 | 2026-9 |
| 1969/1970 | 6.175 | 吨/公顷 | 2026-9 |
| 1968/1969 | 7.529 | 吨/公顷 | 2026-9 |
| 1967/1968 | 7.129 | 吨/公顷 | 2026-9 |
| 1966/1967 | 7.133 | 吨/公顷 | 2026-9 |
| 1965/1966 | 7 | 吨/公顷 | 2026-9 |
| 1964/1965 | 6.12 | 吨/公顷 | 2026-9 |
| 1963/1964 | 5.917 | 吨/公顷 | 2026-9 |
| 1962/1963 | 6.182 | 吨/公顷 | 2026-9 |
| 1961/1962 | 6.7 | 吨/公顷 | 2026-9 |
| 1960/1961 | 6 | 吨/公顷 | 2026-9 |