| 年度 | 数值 | 单位 | 发布时间 |
|---|
| 2026/2027 | 5.5 | 吨/公顷 | 2026-9 |
| 2025/2026 | 5.799 | 吨/公顷 | 2026-9 |
| 2024/2025 | 5.738 | 吨/公顷 | 2026-9 |
| 2023/2024 | 4.501 | 吨/公顷 | 2026-9 |
| 2022/2023 | 5.807 | 吨/公顷 | 2026-9 |
| 2021/2022 | 5.375 | 吨/公顷 | 2026-9 |
| 2020/2021 | 5.437 | 吨/公顷 | 2026-9 |
| 2019/2020 | 5.448 | 吨/公顷 | 2026-9 |
| 2018/2019 | 4.553 | 吨/公顷 | 2026-9 |
| 2017/2018 | 4.975 | 吨/公顷 | 2026-9 |
| 2016/2017 | 5.858 | 吨/公顷 | 2026-9 |
| 2015/2016 | 3.712 | 吨/公顷 | 2026-9 |
| 2014/2015 | 3.487 | 吨/公顷 | 2026-9 |
| 2013/2014 | 4.852 | 吨/公顷 | 2026-9 |
| 2012/2013 | 3.819 | 吨/公顷 | 2026-9 |
| 2011/2012 | 4.061 | 吨/公顷 | 2026-9 |
| 2010/2011 | 3.821 | 吨/公顷 | 2026-9 |
| 2009/2010 | 4.113 | 吨/公顷 | 2026-9 |
| 2008/2009 | 4.339 | 吨/公顷 | 2026-9 |
| 2007/2008 | 3.989 | 吨/公顷 | 2026-9 |
| 2006/2007 | 2.517 | 吨/公顷 | 2026-9 |
| 2005/2006 | 3.413 | 吨/公顷 | 2026-9 |
| 2004/2005 | 3.635 | 吨/公顷 | 2026-9 |
| 2003/2004 | 2.939 | 吨/公顷 | 2026-9 |
| 2002/2003 | 2.651 | 吨/公顷 | 2026-9 |
| 2001/2002 | 2.845 | 吨/公顷 | 2026-9 |
| 2000/2001 | 2.493 | 吨/公顷 | 2026-9 |
| 1999/2000 | 3.003 | 吨/公顷 | 2026-9 |
| 1998/1999 | 2.228 | 吨/公顷 | 2026-9 |
| 1997/1998 | 2.161 | 吨/公顷 | 2026-9 |
| 1996/1997 | 2.52 | 吨/公顷 | 2026-9 |
| 1995/1996 | 2.704 | 吨/公顷 | 2026-9 |
| 1994/1995 | 1.38 | 吨/公顷 | 2026-9 |
| 1993/1994 | 2.848 | 吨/公顷 | 2026-9 |
| 1992/1993 | 2.284 | 吨/公顷 | 2026-9 |
| 1991/1992 | 0.785 | 吨/公顷 | 2026-9 |
| 1990/1991 | 2.257 | 吨/公顷 | 2026-9 |
| 1989/1990 | 2.205 | 吨/公顷 | 2026-9 |
| 1988/1989 | 2.841 | 吨/公顷 | 2026-9 |
| 1987/1988 | 1.62 | 吨/公顷 | 2026-9 |
| 1986/1987 | 1.558 | 吨/公顷 | 2026-9 |
| 1985/1986 | 1.781 | 吨/公顷 | 2026-9 |
| 1984/1985 | 1.876 | 吨/公顷 | 2026-9 |
| 1983/1984 | 0.991 | 吨/公顷 | 2026-9 |
| 1982/1983 | 0.94 | 吨/公顷 | 2026-9 |
| 1981/1982 | 1.883 | 吨/公顷 | 2026-9 |
| 1980/1981 | 3.314 | 吨/公顷 | 2026-9 |
| 1979/1980 | 2.42 | 吨/公顷 | 2026-9 |
| 1978/1979 | 1.935 | 吨/公顷 | 2026-9 |
| 1977/1978 | 2.235 | 吨/公顷 | 2026-9 |
| 1976/1977 | 2.184 | 吨/公顷 | 2026-9 |
| 1975/1976 | 1.608 | 吨/公顷 | 2026-9 |
| 1974/1975 | 2.037 | 吨/公顷 | 2026-9 |
| 1973/1974 | 2.488 | 吨/公顷 | 2026-9 |
| 1972/1973 | 1.152 | 吨/公顷 | 2026-9 |
| 1971/1972 | 2.071 | 吨/公顷 | 2026-9 |
| 1970/1971 | 1.954 | 吨/公顷 | 2026-9 |
| 1969/1970 | 1.454 | 吨/公顷 | 2026-9 |
| 1968/1969 | 1.217 | 吨/公顷 | 2026-9 |
| 1967/1968 | 1.124 | 吨/公顷 | 2026-9 |
| 1966/1967 | 2.127 | 吨/公顷 | 2026-9 |
| 1965/1966 | 1.207 | 吨/公顷 | 2026-9 |
| 1964/1965 | 1.068 | 吨/公顷 | 2026-9 |
| 1963/1964 | 0.965 | 吨/公顷 | 2026-9 |
| 1962/1963 | 1.406 | 吨/公顷 | 2026-9 |
| 1961/1962 | 1.383 | 吨/公顷 | 2026-9 |
| 1960/1961 | 1.281 | 吨/公顷 | 2026-9 |