| 年度 | 数值 | 单位 | 发布时间 |
|---|
| 2026/2027 | 1.833 | 吨/公顷 | 2026-9 |
| 2025/2026 | 1.589 | 吨/公顷 | 2026-9 |
| 2024/2025 | 1.809 | 吨/公顷 | 2026-9 |
| 2023/2024 | 1.961 | 吨/公顷 | 2026-9 |
| 2022/2023 | 2.047 | 吨/公顷 | 2026-9 |
| 2021/2022 | 2.463 | 吨/公顷 | 2026-9 |
| 2020/2021 | 2.095 | 吨/公顷 | 2026-9 |
| 2019/2020 | 1.955 | 吨/公顷 | 2026-9 |
| 2018/2019 | 1.601 | 吨/公顷 | 2026-9 |
| 2017/2018 | 2.008 | 吨/公顷 | 2026-9 |
| 2016/2017 | 1.415 | 吨/公顷 | 2026-9 |
| 2015/2016 | 1.656 | 吨/公顷 | 2026-9 |
| 2014/2015 | 2.333 | 吨/公顷 | 2026-9 |
| 2013/2014 | 2.171 | 吨/公顷 | 2026-9 |
| 2012/2013 | 2.193 | 吨/公顷 | 2026-9 |
| 2011/2012 | 2.208 | 吨/公顷 | 2026-9 |
| 2010/2011 | 2.017 | 吨/公顷 | 2026-9 |
| 2009/2010 | 2.227 | 吨/公顷 | 2026-9 |
| 2008/2009 | 1.65 | 吨/公顷 | 2026-9 |
| 2007/2008 | 2.655 | 吨/公顷 | 2026-9 |
| 2006/2007 | 1.481 | 吨/公顷 | 2026-9 |
| 2005/2006 | 0.817 | 吨/公顷 | 2026-9 |
| 2004/2005 | 1.129 | 吨/公顷 | 2026-9 |
| 2003/2004 | 1.264 | 吨/公顷 | 2026-9 |
| 2002/2003 | 1.047 | 吨/公顷 | 2026-9 |
| 2001/2002 | 1.097 | 吨/公顷 | 2026-9 |
| 2000/2001 | 1.724 | 吨/公顷 | 2026-9 |
| 1999/2000 | 1.771 | 吨/公顷 | 2026-9 |
| 1998/1999 | 1.277 | 吨/公顷 | 2026-9 |
| 1997/1998 | 0.98 | 吨/公顷 | 2026-9 |
| 1996/1997 | 1.44 | 吨/公顷 | 2026-9 |
| 1995/1996 | 1.306 | 吨/公顷 | 2026-9 |
| 1994/1995 | 0.913 | 吨/公顷 | 2026-9 |
| 1993/1994 | 0.148 | 吨/公顷 | 2026-9 |
| 1992/1993 | 0.482 | 吨/公顷 | 2026-9 |
| 1991/1992 | 1.177 | 吨/公顷 | 2026-9 |
| 1990/1991 | 0.999 | 吨/公顷 | 2026-9 |
| 1989/1990 | 1.188 | 吨/公顷 | 2026-9 |
| 1988/1989 | 1.144 | 吨/公顷 | 2026-9 |
| 1987/1988 | 1.036 | 吨/公顷 | 2026-9 |
| 1986/1987 | 1.136 | 吨/公顷 | 2026-9 |
| 1985/1986 | 1.184 | 吨/公顷 | 2026-9 |
| 1984/1985 | 1.182 | 吨/公顷 | 2026-9 |
| 1983/1984 | 1.171 | 吨/公顷 | 2026-9 |
| 1982/1983 | 1.179 | 吨/公顷 | 2026-9 |
| 1981/1982 | 1.132 | 吨/公顷 | 2026-9 |
| 1980/1981 | 1.059 | 吨/公顷 | 2026-9 |
| 1979/1980 | 1.2 | 吨/公顷 | 2026-9 |
| 1978/1979 | 1.088 | 吨/公顷 | 2026-9 |
| 1977/1978 | 1.101 | 吨/公顷 | 2026-9 |
| 1976/1977 | 0.917 | 吨/公顷 | 2026-9 |
| 1975/1976 | 1.28 | 吨/公顷 | 2026-9 |
| 1974/1975 | 1.09 | 吨/公顷 | 2026-9 |
| 1973/1974 | 1 | 吨/公顷 | 2026-9 |
| 1972/1973 | 1.091 | 吨/公顷 | 2026-9 |
| 1971/1972 | 1.048 | 吨/公顷 | 2026-9 |
| 1970/1971 | 0.9 | 吨/公顷 | 2026-9 |
| 1969/1970 | 1.08 | 吨/公顷 | 2026-9 |
| 1968/1969 | 1.02 | 吨/公顷 | 2026-9 |
| 1967/1968 | 1.47 | 吨/公顷 | 2026-9 |
| 1966/1967 | 1.177 | 吨/公顷 | 2026-9 |
| 1965/1966 | 0.98 | 吨/公顷 | 2026-9 |
| 1964/1965 | 1.121 | 吨/公顷 | 2026-9 |
| 1963/1964 | 0.897 | 吨/公顷 | 2026-9 |
| 1962/1963 | 0.875 | 吨/公顷 | 2026-9 |
| 1961/1962 | 0.844 | 吨/公顷 | 2026-9 |