| 年度 | 数值 | 单位 | 发布时间 |
|---|
| 2026/2027 | 3 | 吨/公顷 | 2026-9 |
| 2025/2026 | 3.347 | 吨/公顷 | 2026-9 |
| 2024/2025 | 3.006 | 吨/公顷 | 2026-9 |
| 2023/2024 | 3.076 | 吨/公顷 | 2026-9 |
| 2022/2023 | 2.845 | 吨/公顷 | 2026-9 |
| 2021/2022 | 2.649 | 吨/公顷 | 2026-9 |
| 2020/2021 | 2.655 | 吨/公顷 | 2026-9 |
| 2019/2020 | 2.058 | 吨/公顷 | 2026-9 |
| 2018/2019 | 1.936 | 吨/公顷 | 2026-9 |
| 2017/2018 | 1.767 | 吨/公顷 | 2026-9 |
| 2016/2017 | 1.58 | 吨/公顷 | 2026-9 |
| 2015/2016 | 1.52 | 吨/公顷 | 2026-9 |
| 2014/2015 | 1.226 | 吨/公顷 | 2026-9 |
| 2013/2014 | 1.44 | 吨/公顷 | 2026-9 |
| 2012/2013 | 1.541 | 吨/公顷 | 2026-9 |
| 2011/2012 | 1.127 | 吨/公顷 | 2026-9 |
| 2010/2011 | 1.546 | 吨/公顷 | 2026-9 |
| 2009/2010 | 1.62 | 吨/公顷 | 2026-9 |
| 2008/2009 | 1.83 | 吨/公顷 | 2026-9 |
| 2007/2008 | 1.097 | 吨/公顷 | 2026-9 |
| 2006/2007 | 1.4 | 吨/公顷 | 2026-9 |
| 2005/2006 | 2.105 | 吨/公顷 | 2026-9 |
| 2004/2005 | 1.944 | 吨/公顷 | 2026-9 |
| 2003/2004 | 1.136 | 吨/公顷 | 2026-9 |
| 2002/2003 | 0.741 | 吨/公顷 | 2026-9 |
| 2001/2002 | 1.205 | 吨/公顷 | 2026-9 |
| 2000/2001 | 1.113 | 吨/公顷 | 2026-9 |
| 1999/2000 | 0.943 | 吨/公顷 | 2026-9 |
| 1998/1999 | 0.815 | 吨/公顷 | 2026-9 |
| 1997/1998 | 0.968 | 吨/公顷 | 2026-9 |
| 1996/1997 | 1.047 | 吨/公顷 | 2026-9 |
| 1995/1996 | 1.092 | 吨/公顷 | 2026-9 |
| 1994/1995 | 0.916 | 吨/公顷 | 2026-9 |
| 1993/1994 | 1.266 | 吨/公顷 | 2026-9 |
| 1992/1993 | 1.095 | 吨/公顷 | 2026-9 |
| 1991/1992 | 1.132 | 吨/公顷 | 2026-9 |
| 1990/1991 | 1.137 | 吨/公顷 | 2026-9 |
| 1989/1990 | 1.31 | 吨/公顷 | 2026-9 |
| 1988/1989 | 1.118 | 吨/公顷 | 2026-9 |
| 1987/1988 | 1.152 | 吨/公顷 | 2026-9 |
| 1986/1987 | 1.137 | 吨/公顷 | 2026-9 |
| 1985/1986 | 1.324 | 吨/公顷 | 2026-9 |
| 1984/1985 | 1.193 | 吨/公顷 | 2026-9 |
| 1983/1984 | 0.859 | 吨/公顷 | 2026-9 |
| 1982/1983 | 0.954 | 吨/公顷 | 2026-9 |
| 1981/1982 | 1.193 | 吨/公顷 | 2026-9 |
| 1980/1981 | 0.731 | 吨/公顷 | 2026-9 |
| 1979/1980 | 0.677 | 吨/公顷 | 2026-9 |
| 1978/1979 | 0.964 | 吨/公顷 | 2026-9 |
| 1977/1978 | 0.611 | 吨/公顷 | 2026-9 |
| 1976/1977 | 0.898 | 吨/公顷 | 2026-9 |
| 1975/1976 | 0.875 | 吨/公顷 | 2026-9 |
| 1974/1975 | 0.878 | 吨/公顷 | 2026-9 |
| 1973/1974 | 0.846 | 吨/公顷 | 2026-9 |
| 1972/1973 | 0.625 | 吨/公顷 | 2026-9 |
| 1971/1972 | 0.796 | 吨/公顷 | 2026-9 |
| 1970/1971 | 0.765 | 吨/公顷 | 2026-9 |
| 1969/1970 | 0.891 | 吨/公顷 | 2026-9 |
| 1968/1969 | 0.694 | 吨/公顷 | 2026-9 |
| 1967/1968 | 0.792 | 吨/公顷 | 2026-9 |
| 1966/1967 | 0.778 | 吨/公顷 | 2026-9 |
| 1965/1966 | 0.759 | 吨/公顷 | 2026-9 |
| 1964/1965 | 0.787 | 吨/公顷 | 2026-9 |
| 1963/1964 | 0.818 | 吨/公顷 | 2026-9 |
| 1962/1963 | 0.871 | 吨/公顷 | 2026-9 |
| 1961/1962 | 0.875 | 吨/公顷 | 2026-9 |
| 1960/1961 | 0.871 | 吨/公顷 | 2026-9 |