| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 1.382 | 吨/公顷 | 2026-9 |
| 2025/2026 | 1.4 | 吨/公顷 | 2026-9 |
| 2024/2025 | 1.36 | 吨/公顷 | 2026-9 |
| 2023/2024 | 1.395 | 吨/公顷 | 2026-9 |
| 2022/2023 | 1.391 | 吨/公顷 | 2026-9 |
| 2021/2022 | 1.321 | 吨/公顷 | 2026-9 |
| 2020/2021 | 1.391 | 吨/公顷 | 2026-9 |
| 2019/2020 | 1.185 | 吨/公顷 | 2026-9 |
| 2018/2019 | 1.246 | 吨/公顷 | 2026-9 |
| 2017/2018 | 1.11 | 吨/公顷 | 2026-9 |
| 2016/2017 | 0.673 | 吨/公顷 | 2026-9 |
| 2015/2016 | 0.694 | 吨/公顷 | 2026-9 |
| 2014/2015 | 1.029 | 吨/公顷 | 2026-9 |
| 2013/2014 | 1.026 | 吨/公顷 | 2026-9 |
| 2012/2013 | 0.972 | 吨/公顷 | 2026-9 |
| 2011/2012 | 1.018 | 吨/公顷 | 2026-9 |
| 2010/2011 | 1.07 | 吨/公顷 | 2026-9 |
| 2009/2010 | 1.318 | 吨/公顷 | 2026-9 |
| 2008/2009 | 1.41 | 吨/公顷 | 2026-9 |
| 2007/2008 | 1.154 | 吨/公顷 | 2026-9 |
| 2006/2007 | 1.068 | 吨/公顷 | 2026-9 |
| 2005/2006 | 1.212 | 吨/公顷 | 2026-9 |
| 2004/2005 | 0.854 | 吨/公顷 | 2026-9 |
| 2003/2004 | 1.108 | 吨/公顷 | 2026-9 |
| 2002/2003 | 0.582 | 吨/公顷 | 2026-9 |
| 2001/2002 | 0.972 | 吨/公顷 | 2026-9 |
| 2000/2001 | 1.111 | 吨/公顷 | 2026-9 |
| 1999/2000 | 0.846 | 吨/公顷 | 2026-9 |
| 1998/1999 | 0.941 | 吨/公顷 | 2026-9 |
| 1997/1998 | 0.797 | 吨/公顷 | 2026-9 |
| 1996/1997 | 0.91 | 吨/公顷 | 2026-9 |
| 1995/1996 | 0.805 | 吨/公顷 | 2026-9 |
| 1994/1995 | 0.967 | 吨/公顷 | 2026-9 |
| 1993/1994 | 1.217 | 吨/公顷 | 2026-9 |
| 1992/1993 | 1.3 | 吨/公顷 | 2026-9 |
| 1991/1992 | 1.318 | 吨/公顷 | 2026-9 |
| 1990/1991 | 1.2 | 吨/公顷 | 2026-9 |
| 1989/1990 | 1 | 吨/公顷 | 2026-9 |