| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 4.077 | 吨/公顷 | 2026-9 |
| 2025/2026 | 4.666 | 吨/公顷 | 2026-9 |
| 2024/2025 | 3.671 | 吨/公顷 | 2026-9 |
| 2023/2024 | 3.923 | 吨/公顷 | 2026-9 |
| 2022/2023 | 2.953 | 吨/公顷 | 2026-9 |
| 2021/2022 | 3.955 | 吨/公顷 | 2026-9 |
| 2020/2021 | 3.995 | 吨/公顷 | 2026-9 |
| 2019/2020 | 3.347 | 吨/公顷 | 2026-9 |
| 2018/2019 | 4.12 | 吨/公顷 | 2026-9 |
| 2017/2018 | 4 | 吨/公顷 | 2026-9 |
| 2016/2017 | 3.793 | 吨/公顷 | 2026-9 |
| 2015/2016 | 3.952 | 吨/公顷 | 2026-9 |
| 2014/2015 | 3.222 | 吨/公顷 | 2026-9 |
| 2013/2014 | 3.74 | 吨/公顷 | 2026-9 |
| 2012/2013 | 3.333 | 吨/公顷 | 2026-9 |
| 2011/2012 | 3.879 | 吨/公顷 | 2026-9 |
| 2010/2011 | 3.933 | 吨/公顷 | 2026-9 |
| 2009/2010 | 2.696 | 吨/公顷 | 2026-9 |
| 2008/2009 | 3.333 | 吨/公顷 | 2026-9 |
| 2007/2008 | 3.532 | 吨/公顷 | 2026-9 |
| 2006/2007 | 3.747 | 吨/公顷 | 2026-9 |
| 2005/2006 | 2.993 | 吨/公顷 | 2026-9 |
| 2004/2005 | 3.255 | 吨/公顷 | 2026-9 |
| 2003/2004 | 3.009 | 吨/公顷 | 2026-9 |
| 2002/2003 | 2.191 | 吨/公顷 | 2026-9 |
| 2001/2002 | 2.155 | 吨/公顷 | 2026-9 |
| 2000/2001 | 2.911 | 吨/公顷 | 2026-9 |
| 1999/2000 | 2.27 | 吨/公顷 | 2026-9 |
| 1998/1999 | 2.538 | 吨/公顷 | 2026-9 |
| 1997/1998 | 2.867 | 吨/公顷 | 2026-9 |
| 1996/1997 | 2.144 | 吨/公顷 | 2026-9 |
| 1995/1996 | 1.771 | 吨/公顷 | 2026-9 |
| 1994/1995 | 2.315 | 吨/公顷 | 2026-9 |
| 1993/1994 | 2.307 | 吨/公顷 | 2026-9 |
| 1992/1993 | 2.546 | 吨/公顷 | 2026-9 |
| 1991/1992 | 2.459 | 吨/公顷 | 2026-9 |
| 1990/1991 | 2.195 | 吨/公顷 | 2026-9 |
| 1989/1990 | 2.253 | 吨/公顷 | 2026-9 |
| 1988/1989 | 2.367 | 吨/公顷 | 2026-9 |
| 1987/1988 | 2.153 | 吨/公顷 | 2026-9 |
| 1986/1987 | 1.489 | 吨/公顷 | 2026-9 |
| 1985/1986 | 0.949 | 吨/公顷 | 2026-9 |
| 1984/1985 | 1.737 | 吨/公顷 | 2026-9 |
| 1983/1984 | 1.729 | 吨/公顷 | 2026-9 |
| 1982/1983 | 1.773 | 吨/公顷 | 2026-9 |
| 1981/1982 | 1.148 | 吨/公顷 | 2026-9 |
| 1980/1981 | 1.254 | 吨/公顷 | 2026-9 |
| 1979/1980 | 1.378 | 吨/公顷 | 2026-9 |
| 1978/1979 | 1.561 | 吨/公顷 | 2026-9 |
| 1977/1978 | 1.139 | 吨/公顷 | 2026-9 |
| 1976/1977 | 1.597 | 吨/公顷 | 2026-9 |
| 1975/1976 | 1.191 | 吨/公顷 | 2026-9 |
| 1974/1975 | 1.165 | 吨/公顷 | 2026-9 |
| 1973/1974 | 1.458 | 吨/公顷 | 2026-9 |
| 1972/1973 | 1.464 | 吨/公顷 | 2026-9 |
| 1971/1972 | 1.155 | 吨/公顷 | 2026-9 |
| 1970/1971 | 1.031 | 吨/公顷 | 2026-9 |
| 1969/1970 | 1.247 | 吨/公顷 | 2026-9 |
| 1968/1969 | 1.032 | 吨/公顷 | 2026-9 |
| 1967/1968 | 1.186 | 吨/公顷 | 2026-9 |
| 1966/1967 | 1.066 | 吨/公顷 | 2026-9 |
| 1965/1966 | 1.052 | 吨/公顷 | 2026-9 |
| 1964/1965 | 1.494 | 吨/公顷 | 2026-9 |
| 1963/1964 | 1.468 | 吨/公顷 | 2026-9 |
| 1962/1963 | 0.956 | 吨/公顷 | 2026-9 |
| 1961/1962 | 1.078 | 吨/公顷 | 2026-9 |
| 1960/1961 | 1.075 | 吨/公顷 | 2026-9 |