| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 2.137 | 吨/公顷 | 2026-9 |
| 2025/2026 | 2.179 | 吨/公顷 | 2026-9 |
| 2024/2025 | 2.03 | 吨/公顷 | 2026-9 |
| 2023/2024 | 2.093 | 吨/公顷 | 2026-9 |
| 2022/2023 | 2.117 | 吨/公顷 | 2026-9 |
| 2021/2022 | 1.98 | 吨/公顷 | 2026-9 |
| 2020/2021 | 2.121 | 吨/公顷 | 2026-9 |
| 2019/2020 | 2.008 | 吨/公顷 | 2026-9 |
| 2018/2019 | 2.032 | 吨/公顷 | 2026-9 |
| 2017/2018 | 2.102 | 吨/公顷 | 2026-9 |
| 2016/2017 | 2.078 | 吨/公顷 | 2026-9 |
| 2015/2016 | 2.059 | 吨/公顷 | 2026-9 |
| 2014/2015 | 2.01 | 吨/公顷 | 2026-9 |
| 2013/2014 | 1.985 | 吨/公顷 | 2026-9 |
| 2012/2013 | 1.769 | 吨/公顷 | 2026-9 |
| 2011/2012 | 1.843 | 吨/公顷 | 2026-9 |
| 2010/2011 | 1.815 | 吨/公顷 | 2026-9 |
| 2009/2010 | 1.978 | 吨/公顷 | 2026-9 |
| 2008/2009 | 1.858 | 吨/公顷 | 2026-9 |
| 2007/2008 | 1.679 | 吨/公顷 | 2026-9 |
| 2006/2007 | 1.703 | 吨/公顷 | 2026-9 |
| 2005/2006 | 1.782 | 吨/公顷 | 2026-9 |
| 2004/2005 | 1.717 | 吨/公顷 | 2026-9 |
| 2003/2004 | 1.547 | 吨/公顷 | 2026-9 |
| 2002/2003 | 1.504 | 吨/公顷 | 2026-9 |
| 2001/2002 | 1.546 | 吨/公顷 | 2026-9 |
| 2000/2001 | 1.51 | 吨/公顷 | 2026-9 |
| 1999/2000 | 1.588 | 吨/公顷 | 2026-9 |
| 1998/1999 | 1.407 | 吨/公顷 | 2026-9 |
| 1997/1998 | 1.41 | 吨/公顷 | 2026-9 |
| 1996/1997 | 1.435 | 吨/公顷 | 2026-9 |
| 1995/1996 | 1.419 | 吨/公顷 | 2026-9 |
| 1994/1995 | 1.334 | 吨/公顷 | 2026-9 |
| 1993/1994 | 1.341 | 吨/公顷 | 2026-9 |
| 1992/1993 | 1.283 | 吨/公顷 | 2026-9 |
| 1991/1992 | 1.372 | 吨/公顷 | 2026-9 |
| 1990/1991 | 1.378 | 吨/公顷 | 2026-9 |
| 1989/1990 | 1.28 | 吨/公顷 | 2026-9 |
| 1988/1989 | 1.26 | 吨/公顷 | 2026-9 |
| 1987/1988 | 1.387 | 吨/公顷 | 2026-9 |
| 1986/1987 | 1.317 | 吨/公顷 | 2026-9 |
| 1985/1986 | 1.268 | 吨/公顷 | 2026-9 |
| 1984/1985 | 1.247 | 吨/公顷 | 2026-9 |
| 1983/1984 | 1.123 | 吨/公顷 | 2026-9 |
| 1982/1983 | 1.195 | 吨/公顷 | 2026-9 |
| 1981/1982 | 1.016 | 吨/公顷 | 2026-9 |
| 1980/1981 | 0.969 | 吨/公顷 | 2026-9 |
| 1979/1980 | 0.861 | 吨/公顷 | 2026-9 |
| 1978/1979 | 0.956 | 吨/公顷 | 2026-9 |
| 1977/1978 | 0.838 | 吨/公顷 | 2026-9 |
| 1976/1977 | 0.851 | 吨/公顷 | 2026-9 |
| 1975/1976 | 0.878 | 吨/公顷 | 2026-9 |
| 1974/1975 | 0.869 | 吨/公顷 | 2026-9 |
| 1973/1974 | 0.794 | 吨/公顷 | 2026-9 |
| 1972/1973 | 0.839 | 吨/公顷 | 2026-9 |
| 1971/1972 | 0.808 | 吨/公顷 | 2026-9 |
| 1970/1971 | 0.854 | 吨/公顷 | 2026-9 |
| 1969/1970 | 0.723 | 吨/公顷 | 2026-9 |
| 1968/1969 | 0.8 | 吨/公顷 | 2026-9 |
| 1967/1968 | 0.757 | 吨/公顷 | 2026-9 |
| 1966/1967 | 0.651 | 吨/公顷 | 2026-9 |
| 1965/1966 | 0.705 | 吨/公顷 | 2026-9 |
| 1964/1965 | 0.66 | 吨/公顷 | 2026-9 |