| 年度 | 数值 | 单位 | 发布时间 |
|---|
| 2026/2027 | 6.875 | 吨/公顷 | 2026-9 |
| 2025/2026 | 6.435 | 吨/公顷 | 2026-9 |
| 2024/2025 | 5.185 | 吨/公顷 | 2026-9 |
| 2023/2024 | 6.917 | 吨/公顷 | 2026-9 |
| 2022/2023 | 5.997 | 吨/公顷 | 2026-9 |
| 2021/2022 | 5.25 | 吨/公顷 | 2026-9 |
| 2020/2021 | 5.08 | 吨/公顷 | 2026-9 |
| 2019/2020 | 5.701 | 吨/公顷 | 2026-9 |
| 2018/2019 | 4.81 | 吨/公顷 | 2026-9 |
| 2017/2018 | 4.9 | 吨/公顷 | 2026-9 |
| 2016/2017 | 5.511 | 吨/公顷 | 2026-9 |
| 2015/2016 | 4.93 | 吨/公顷 | 2026-9 |
| 2014/2015 | 4.363 | 吨/公顷 | 2026-9 |
| 2013/2014 | 5.011 | 吨/公顷 | 2026-9 |
| 2012/2013 | 4.24 | 吨/公顷 | 2026-9 |
| 2011/2012 | 4.34 | 吨/公顷 | 2026-9 |
| 2010/2011 | 3.015 | 吨/公顷 | 2026-9 |
| 2009/2010 | 3.538 | 吨/公顷 | 2026-9 |
| 2008/2009 | 3.862 | 吨/公顷 | 2026-9 |
| 2007/2008 | 2.922 | 吨/公顷 | 2026-9 |
| 2006/2007 | 3.619 | 吨/公顷 | 2026-9 |
| 2005/2006 | 3.825 | 吨/公顷 | 2026-9 |
| 2004/2005 | 4.016 | 吨/公顷 | 2026-9 |
| 2003/2004 | 3.173 | 吨/公顷 | 2026-9 |
| 2002/2003 | 2.828 | 吨/公顷 | 2026-9 |
| 2001/2002 | 1.796 | 吨/公顷 | 2026-9 |
| 2000/2001 | 2.127 | 吨/公顷 | 2026-9 |
| 1999/2000 | 1.989 | 吨/公顷 | 2026-9 |
| 1998/1999 | 1.633 | 吨/公顷 | 2026-9 |
| 1997/1998 | 3.12 | 吨/公顷 | 2026-9 |
| 1996/1997 | 2.35 | 吨/公顷 | 2026-9 |
| 1995/1996 | 2.881 | 吨/公顷 | 2026-9 |
| 1994/1995 | 1.957 | 吨/公顷 | 2026-9 |
| 1993/1994 | 3.22 | 吨/公顷 | 2026-9 |
| 1992/1993 | 2.885 | 吨/公顷 | 2026-9 |
| 1991/1992 | 2.896 | 吨/公顷 | 2026-9 |
| 1990/1991 | 3.142 | 吨/公顷 | 2026-9 |
| 1989/1990 | 3.265 | 吨/公顷 | 2026-9 |
| 1988/1989 | 3.027 | 吨/公顷 | 2026-9 |
| 1987/1988 | 2.699 | 吨/公顷 | 2026-9 |