| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 3.631 | 吨/公顷 | 2026-9 |
| 2025/2026 | 3.25 | 吨/公顷 | 2026-9 |
| 2024/2025 | 3.402 | 吨/公顷 | 2026-9 |
| 2023/2024 | 3.433 | 吨/公顷 | 2026-9 |
| 2022/2023 | 2.589 | 吨/公顷 | 2026-9 |
| 2021/2022 | 3.292 | 吨/公顷 | 2026-9 |
| 2020/2021 | 3.159 | 吨/公顷 | 2026-9 |
| 2019/2020 | 3.501 | 吨/公顷 | 2026-9 |
| 2018/2019 | 4.353 | 吨/公顷 | 2026-9 |
| 2017/2018 | 2.27 | 吨/公顷 | 2026-9 |
| 2016/2017 | 3.975 | 吨/公顷 | 2026-9 |
| 2015/2016 | 3.207 | 吨/公顷 | 2026-9 |
| 2014/2015 | 3.484 | 吨/公顷 | 2026-9 |
| 2013/2014 | 2.638 | 吨/公顷 | 2026-9 |
| 2012/2013 | 2.674 | 吨/公顷 | 2026-9 |
| 2011/2012 | 2.841 | 吨/公顷 | 2026-9 |
| 2010/2011 | 3.365 | 吨/公顷 | 2026-9 |
| 2009/2010 | 3.8 | 吨/公顷 | 2026-9 |
| 2008/2009 | 3.127 | 吨/公顷 | 2026-9 |
| 2007/2008 | 3.524 | 吨/公顷 | 2026-9 |
| 2006/2007 | 3.875 | 吨/公顷 | 2026-9 |
| 2005/2006 | 3.11 | 吨/公顷 | 2026-9 |
| 2004/2005 | 2.786 | 吨/公顷 | 2026-9 |
| 2003/2004 | 2.515 | 吨/公顷 | 2026-9 |
| 2002/2003 | 2.026 | 吨/公顷 | 2026-9 |
| 2001/2002 | 2.329 | 吨/公顷 | 2026-9 |
| 2000/2001 | 2.247 | 吨/公顷 | 2026-9 |
| 1999/2000 | 2.74 | 吨/公顷 | 2026-9 |
| 1998/1999 | 1.473 | 吨/公顷 | 2026-9 |
| 1997/1998 | 2.336 | 吨/公顷 | 2026-9 |
| 1996/1997 | 1.346 | 吨/公顷 | 2026-9 |
| 1995/1996 | 2.762 | 吨/公顷 | 2026-9 |
| 1994/1995 | 2.194 | 吨/公顷 | 2026-9 |
| 1993/1994 | 2.216 | 吨/公顷 | 2026-9 |
| 1992/1993 | 3.027 | 吨/公顷 | 2026-9 |
| 1991/1992 | 2.065 | 吨/公顷 | 2026-9 |
| 1990/1991 | 2.48 | 吨/公顷 | 2026-9 |
| 1989/1990 | 2.024 | 吨/公顷 | 2026-9 |
| 1988/1989 | 1.771 | 吨/公顷 | 2026-9 |
| 1987/1988 | 2.026 | 吨/公顷 | 2026-9 |
| 1986/1987 | 2.101 | 吨/公顷 | 2026-9 |
| 1985/1986 | 1.472 | 吨/公顷 | 2026-9 |
| 1984/1985 | 2.349 | 吨/公顷 | 2026-9 |
| 1983/1984 | 2.301 | 吨/公顷 | 2026-9 |
| 1982/1983 | 1.888 | 吨/公顷 | 2026-9 |
| 1981/1982 | 1.637 | 吨/公顷 | 2026-9 |
| 1980/1981 | 1.234 | 吨/公顷 | 2026-9 |
| 1979/1980 | 1.054 | 吨/公顷 | 2026-9 |
| 1978/1979 | 1.71 | 吨/公顷 | 2026-9 |
| 1977/1978 | 0.869 | 吨/公顷 | 2026-9 |
| 1976/1977 | 1.635 | 吨/公顷 | 2026-9 |
| 1975/1976 | 1.097 | 吨/公顷 | 2026-9 |
| 1974/1975 | 1.12 | 吨/公顷 | 2026-9 |
| 1973/1974 | 0.843 | 吨/公顷 | 2026-9 |
| 1972/1973 | 1.189 | 吨/公顷 | 2026-9 |