| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 6.006 | 吨/公顷 | 2026-9 |
| 2025/2026 | 6.065 | 吨/公顷 | 2026-9 |
| 2024/2025 | 5.989 | 吨/公顷 | 2026-9 |
| 2023/2024 | 6.288 | 吨/公顷 | 2026-9 |
| 2022/2023 | 5.912 | 吨/公顷 | 2026-9 |
| 2021/2022 | 5.478 | 吨/公顷 | 2026-9 |
| 2020/2021 | 5.652 | 吨/公顷 | 2026-9 |
| 2019/2020 | 5.86 | 吨/公顷 | 2026-9 |
| 2018/2019 | 5.813 | 吨/公顷 | 2026-9 |
| 2017/2018 | 5.634 | 吨/公顷 | 2026-9 |
| 2016/2017 | 5.487 | 吨/公顷 | 2026-9 |
| 2015/2016 | 5.539 | 吨/公顷 | 2026-9 |
| 2014/2015 | 5.281 | 吨/公顷 | 2026-9 |
| 2013/2014 | 5 | 吨/公顷 | 2026-9 |
| 2012/2013 | 4.539 | 吨/公顷 | 2026-9 |
| 2011/2012 | 4.414 | 吨/公顷 | 2026-9 |
| 2010/2011 | 4.237 | 吨/公顷 | 2026-9 |
| 2009/2010 | 4.432 | 吨/公顷 | 2026-9 |
| 2008/2009 | 4.233 | 吨/公顷 | 2026-9 |
| 2007/2008 | 4.321 | 吨/公顷 | 2026-9 |
| 2006/2007 | 4.553 | 吨/公顷 | 2026-9 |
| 2005/2006 | 3.925 | 吨/公顷 | 2026-9 |
| 2004/2005 | 4.31 | 吨/公顷 | 2026-9 |
| 2003/2004 | 4.266 | 吨/公顷 | 2026-9 |
| 2002/2003 | 4.102 | 吨/公顷 | 2026-9 |
| 2001/2002 | 3.96 | 吨/公顷 | 2026-9 |
| 2000/2001 | 3.871 | 吨/公顷 | 2026-9 |
| 1999/2000 | 3.823 | 吨/公顷 | 2026-9 |
| 1998/1999 | 4.054 | 吨/公顷 | 2026-9 |
| 1997/1998 | 3.972 | 吨/公顷 | 2026-9 |
| 1996/1997 | 4.076 | 吨/公顷 | 2026-9 |
| 1995/1996 | 4.03 | 吨/公顷 | 2026-9 |
| 1994/1995 | 3.566 | 吨/公顷 | 2026-9 |
| 1993/1994 | 3.433 | 吨/公顷 | 2026-9 |
| 1992/1993 | 3.701 | 吨/公顷 | 2026-9 |
| 1991/1992 | 3.067 | 吨/公顷 | 2026-9 |
| 1990/1991 | 3.039 | 吨/公顷 | 2026-9 |
| 1989/1990 | 3.284 | 吨/公顷 | 2026-9 |
| 1988/1989 | 3.541 | 吨/公顷 | 2026-9 |
| 1987/1988 | 3.804 | 吨/公顷 | 2026-9 |
| 1986/1987 | 3.88 | 吨/公顷 | 2026-9 |
| 1985/1986 | 3.397 | 吨/公顷 | 2026-9 |
| 1984/1985 | 3.217 | 吨/公顷 | 2026-9 |
| 1983/1984 | 2.778 | 吨/公顷 | 2026-9 |
| 1982/1983 | 2.979 | 吨/公顷 | 2026-9 |
| 1981/1982 | 2.864 | 吨/公顷 | 2026-9 |
| 1980/1981 | 2.705 | 吨/公顷 | 2026-9 |
| 1979/1980 | 2.644 | 吨/公顷 | 2026-9 |
| 1978/1979 | 2.678 | 吨/公顷 | 2026-9 |
| 1977/1978 | 2.632 | 吨/公顷 | 2026-9 |
| 1976/1977 | 2.06 | 吨/公顷 | 2026-9 |
| 1975/1976 | 2.56 | 吨/公顷 | 2026-9 |
| 1974/1975 | 2.415 | 吨/公顷 | 2026-9 |
| 1973/1974 | 1.828 | 吨/公顷 | 2026-9 |
| 1972/1973 | 1.975 | 吨/公顷 | 2026-9 |
| 1971/1972 | 1.814 | 吨/公顷 | 2026-9 |
| 1970/1971 | 1.901 | 吨/公顷 | 2026-9 |
| 1969/1970 | 1.54 | 吨/公顷 | 2026-9 |
| 1968/1969 | 1.969 | 吨/公顷 | 2026-9 |
| 1967/1968 | 1.382 | 吨/公顷 | 2026-9 |
| 1966/1967 | 2.171 | 吨/公顷 | 2026-9 |
| 1965/1966 | 2.104 | 吨/公顷 | 2026-9 |
| 1964/1965 | 2.546 | 吨/公顷 | 2026-9 |
| 1963/1964 | 2.124 | 吨/公顷 | 2026-9 |
| 1962/1963 | 2.183 | 吨/公顷 | 2026-9 |
| 1961/1962 | 2.216 | 吨/公顷 | 2026-9 |
| 1960/1961 | 2.281 | 吨/公顷 | 2026-9 |