| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 4.241 | 吨/公顷 | 2026-9 |
| 2025/2026 | 4.302 | 吨/公顷 | 2026-9 |
| 2024/2025 | 4.122 | 吨/公顷 | 2026-9 |
| 2023/2024 | 3.889 | 吨/公顷 | 2026-9 |
| 2022/2023 | 3.86 | 吨/公顷 | 2026-9 |
| 2021/2022 | 3.254 | 吨/公顷 | 2026-9 |
| 2020/2021 | 4.148 | 吨/公顷 | 2026-9 |
| 2019/2020 | 4.18 | 吨/公顷 | 2026-9 |
| 2018/2019 | 4.168 | 吨/公顷 | 2026-9 |
| 2017/2018 | 3.928 | 吨/公顷 | 2026-9 |
| 2016/2017 | 4.194 | 吨/公顷 | 2026-9 |
| 2015/2016 | 3.717 | 吨/公顷 | 2026-9 |
| 2014/2015 | 3.91 | 吨/公顷 | 2026-9 |
| 2013/2014 | 3.837 | 吨/公顷 | 2026-9 |
| 2012/2013 | 3.599 | 吨/公顷 | 2026-9 |
| 2011/2012 | 3.716 | 吨/公顷 | 2026-9 |
| 2010/2011 | 3.932 | 吨/公顷 | 2026-9 |
| 2009/2010 | 3.916 | 吨/公顷 | 2026-9 |
| 2008/2009 | 3.406 | 吨/公顷 | 2026-9 |
| 2007/2008 | 3.229 | 吨/公顷 | 2026-9 |
| 2006/2007 | 3.286 | 吨/公顷 | 2026-9 |
| 2005/2006 | 3.487 | 吨/公顷 | 2026-9 |
| 2004/2005 | 3.744 | 吨/公顷 | 2026-9 |
| 2003/2004 | 3.167 | 吨/公顷 | 2026-9 |
| 2002/2003 | 2.96 | 吨/公顷 | 2026-9 |
| 2001/2002 | 3.127 | 吨/公顷 | 2026-9 |
| 2000/2001 | 3.289 | 吨/公顷 | 2026-9 |
| 1999/2000 | 3.199 | 吨/公顷 | 2026-9 |
| 1998/1999 | 3.231 | 吨/公顷 | 2026-9 |
| 1997/1998 | 3.124 | 吨/公顷 | 2026-9 |
| 1996/1997 | 3.148 | 吨/公顷 | 2026-9 |
| 1995/1996 | 3.079 | 吨/公顷 | 2026-9 |
| 1994/1995 | 3.025 | 吨/公顷 | 2026-9 |
| 1993/1994 | 3.171 | 吨/公顷 | 2026-9 |
| 1992/1993 | 3.361 | 吨/公顷 | 2026-9 |
| 1991/1992 | 2.969 | 吨/公顷 | 2026-9 |
| 1990/1991 | 3.017 | 吨/公顷 | 2026-9 |
| 1989/1990 | 2.616 | 吨/公顷 | 2026-9 |
| 1988/1989 | 2.043 | 吨/公顷 | 2026-9 |
| 1987/1988 | 2.818 | 吨/公顷 | 2026-9 |
| 1986/1987 | 2.734 | 吨/公顷 | 2026-9 |
| 1985/1986 | 2.739 | 吨/公顷 | 2026-9 |
| 1984/1985 | 2.868 | 吨/公顷 | 2026-9 |
| 1983/1984 | 2.813 | 吨/公顷 | 2026-9 |
| 1982/1983 | 3.08 | 吨/公顷 | 2026-9 |
| 1981/1982 | 2.819 | 吨/公顷 | 2026-9 |
| 1980/1981 | 2.676 | 吨/公顷 | 2026-9 |
| 1979/1980 | 2.739 | 吨/公顷 | 2026-9 |
| 1978/1979 | 2.645 | 吨/公顷 | 2026-9 |
| 1977/1978 | 2.366 | 吨/公顷 | 2026-9 |
| 1976/1977 | 2.442 | 吨/公顷 | 2026-9 |
| 1975/1976 | 2.367 | 吨/公顷 | 2026-9 |
| 1974/1975 | 2.027 | 吨/公顷 | 2026-9 |
| 1973/1974 | 2.182 | 吨/公顷 | 2026-9 |
| 1972/1973 | 2.353 | 吨/公顷 | 2026-9 |
| 1971/1972 | 2.462 | 吨/公顷 | 2026-9 |
| 1970/1971 | 2.305 | 吨/公顷 | 2026-9 |
| 1969/1970 | 2.404 | 吨/公顷 | 2026-9 |
| 1968/1969 | 2.355 | 吨/公顷 | 2026-9 |
| 1967/1968 | 2.18 | 吨/公顷 | 2026-9 |
| 1966/1967 | 2.058 | 吨/公顷 | 2026-9 |
| 1965/1966 | 2.307 | 吨/公顷 | 2026-9 |
| 1964/1965 | 2.021 | 吨/公顷 | 2026-9 |
| 1963/1964 | 1.881 | 吨/公顷 | 2026-9 |
| 1962/1963 | 1.884 | 吨/公顷 | 2026-9 |
| 1961/1962 | 1.649 | 吨/公顷 | 2026-9 |
| 1960/1961 | 1.666 | 吨/公顷 | 2026-9 |