| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 0.5 | 吨/公顷 | 2026-9 |
| 2025/2026 | 0.5 | 吨/公顷 | 2026-9 |
| 2024/2025 | 0.5 | 吨/公顷 | 2026-9 |
| 2023/2024 | 0.857 | 吨/公顷 | 2026-9 |
| 2022/2023 | 0.462 | 吨/公顷 | 2026-9 |
| 2021/2022 | 0.447 | 吨/公顷 | 2026-9 |
| 2020/2021 | 0.46 | 吨/公顷 | 2026-9 |
| 2019/2020 | 0.886 | 吨/公顷 | 2026-9 |
| 2018/2019 | 0.938 | 吨/公顷 | 2026-9 |
| 2017/2018 | 0.968 | 吨/公顷 | 2026-9 |
| 2016/2017 | 0.967 | 吨/公顷 | 2026-9 |
| 2015/2016 | 0.969 | 吨/公顷 | 2026-9 |
| 2014/2015 | 1 | 吨/公顷 | 2026-9 |
| 2013/2014 | 1.053 | 吨/公顷 | 2026-9 |
| 2012/2013 | 1.18 | 吨/公顷 | 2026-9 |
| 2011/2012 | 1.171 | 吨/公顷 | 2026-9 |
| 2010/2011 | 0.889 | 吨/公顷 | 2026-9 |
| 2009/2010 | 1 | 吨/公顷 | 2026-9 |
| 2008/2009 | 1 | 吨/公顷 | 2026-9 |
| 2007/2008 | 1 | 吨/公顷 | 2026-9 |
| 2006/2007 | 0.592 | 吨/公顷 | 2026-9 |
| 2005/2006 | 0.754 | 吨/公顷 | 2026-9 |
| 2004/2005 | 0.768 | 吨/公顷 | 2026-9 |
| 2003/2004 | 0.84 | 吨/公顷 | 2026-9 |
| 2002/2003 | 0.84 | 吨/公顷 | 2026-9 |
| 2001/2002 | 0.8 | 吨/公顷 | 2026-9 |
| 2000/2001 | 0.688 | 吨/公顷 | 2026-9 |