| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 1.622 | 吨/公顷 | 2026-9 |
| 2025/2026 | 1.622 | 吨/公顷 | 2026-9 |
| 2024/2025 | 1.622 | 吨/公顷 | 2026-9 |
| 2023/2024 | 1.622 | 吨/公顷 | 2026-9 |
| 2022/2023 | 1.622 | 吨/公顷 | 2026-9 |
| 2021/2022 | 1.622 | 吨/公顷 | 2026-9 |
| 2020/2021 | 1.434 | 吨/公顷 | 2026-9 |
| 2019/2020 | 1.752 | 吨/公顷 | 2026-9 |
| 2018/2019 | 1.697 | 吨/公顷 | 2026-9 |
| 2017/2018 | 1.48 | 吨/公顷 | 2026-9 |
| 2016/2017 | 1.601 | 吨/公顷 | 2026-9 |
| 2015/2016 | 1.6 | 吨/公顷 | 2026-9 |
| 2014/2015 | 1.525 | 吨/公顷 | 2026-9 |
| 2013/2014 | 1.505 | 吨/公顷 | 2026-9 |
| 2012/2013 | 1.487 | 吨/公顷 | 2026-9 |
| 2011/2012 | 1.5 | 吨/公顷 | 2026-9 |
| 2010/2011 | 1.465 | 吨/公顷 | 2026-9 |
| 2009/2010 | 1.493 | 吨/公顷 | 2026-9 |
| 2008/2009 | 1.432 | 吨/公顷 | 2026-9 |
| 2007/2008 | 1.438 | 吨/公顷 | 2026-9 |
| 2006/2007 | 1.495 | 吨/公顷 | 2026-9 |
| 2005/2006 | 1.439 | 吨/公顷 | 2026-9 |
| 2004/2005 | 1.267 | 吨/公顷 | 2026-9 |
| 2003/2004 | 1.338 | 吨/公顷 | 2026-9 |
| 2002/2003 | 1.412 | 吨/公顷 | 2026-9 |
| 2001/2002 | 1.202 | 吨/公顷 | 2026-9 |
| 2000/2001 | 1.2 | 吨/公顷 | 2026-9 |