| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 4.364 | 吨/公顷 | 2026-9 |
| 2025/2026 | 4.763 | 吨/公顷 | 2026-9 |
| 2024/2025 | 4.025 | 吨/公顷 | 2026-9 |
| 2023/2024 | 4.065 | 吨/公顷 | 2026-9 |
| 2022/2023 | 4.256 | 吨/公顷 | 2026-9 |
| 2021/2022 | 4.147 | 吨/公顷 | 2026-9 |
| 2020/2021 | 4.31 | 吨/公顷 | 2026-9 |
| 2019/2020 | 3.8 | 吨/公顷 | 2026-9 |
| 2018/2019 | 3.221 | 吨/公顷 | 2026-9 |
| 2017/2018 | 3.827 | 吨/公顷 | 2026-9 |
| 2016/2017 | 3.877 | 吨/公顷 | 2026-9 |
| 2015/2016 | 3.994 | 吨/公顷 | 2026-9 |
| 2014/2015 | 4.191 | 吨/公顷 | 2026-9 |
| 2013/2014 | 3.939 | 吨/公顷 | 2026-9 |
| 2012/2013 | 3.688 | 吨/公顷 | 2026-9 |
| 2011/2012 | 3.054 | 吨/公顷 | 2026-9 |
| 2010/2011 | 3.263 | 吨/公顷 | 2026-9 |
| 2009/2010 | 3.553 | 吨/公顷 | 2026-9 |
| 2008/2009 | 3.377 | 吨/公顷 | 2026-9 |
| 2007/2008 | 2.976 | 吨/公顷 | 2026-9 |
| 2006/2007 | 2.801 | 吨/公顷 | 2026-9 |
| 2005/2006 | 3.088 | 吨/公顷 | 2026-9 |
| 2004/2005 | 3.608 | 吨/公顷 | 2026-9 |
| 2003/2004 | 2.68 | 吨/公顷 | 2026-9 |
| 2002/2003 | 3.164 | 吨/公顷 | 2026-9 |
| 2001/2002 | 3.352 | 吨/公顷 | 2026-9 |
| 2000/2001 | 2.744 | 吨/公顷 | 2026-9 |
| 1999/2000 | 3.043 | 吨/公顷 | 2026-9 |