| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 4.355 | 吨/公顷 | 2026-9 |
| 2025/2026 | 4.308 | 吨/公顷 | 2026-9 |
| 2024/2025 | 4.509 | 吨/公顷 | 2026-9 |
| 2023/2024 | 5.329 | 吨/公顷 | 2026-9 |
| 2022/2023 | 4.176 | 吨/公顷 | 2026-9 |
| 2021/2022 | 5.486 | 吨/公顷 | 2026-9 |
| 2020/2021 | 5.24 | 吨/公顷 | 2026-9 |
| 2019/2020 | 5.385 | 吨/公顷 | 2026-9 |
| 2018/2019 | 5.735 | 吨/公顷 | 2026-9 |
| 2017/2018 | 5.262 | 吨/公顷 | 2026-9 |
| 2016/2017 | 5.642 | 吨/公顷 | 2026-9 |
| 2015/2016 | 4.911 | 吨/公顷 | 2026-9 |
| 2014/2015 | 6.034 | 吨/公顷 | 2026-9 |
| 2013/2014 | 5.207 | 吨/公顷 | 2026-9 |
| 2012/2013 | 4.186 | 吨/公顷 | 2026-9 |
| 2011/2012 | 6.1 | 吨/公顷 | 2026-9 |
| 2010/2011 | 5.566 | 吨/公顷 | 2026-9 |
| 2009/2010 | 5.219 | 吨/公顷 | 2026-9 |
| 2008/2009 | 5.385 | 吨/公顷 | 2026-9 |
| 2007/2008 | 5.645 | 吨/公顷 | 2026-9 |
| 2006/2007 | 5.531 | 吨/公顷 | 2026-9 |
| 2005/2006 | 5.202 | 吨/公顷 | 2026-9 |
| 2004/2005 | 5.309 | 吨/公顷 | 2026-9 |
| 2003/2004 | 3.738 | 吨/公顷 | 2026-9 |
| 2002/2003 | 6.034 | 吨/公顷 | 2026-9 |
| 2001/2002 | 5.772 | 吨/公顷 | 2026-9 |
| 2000/2001 | 5.916 | 吨/公顷 | 2026-9 |
| 1999/2000 | 5.62 | 吨/公顷 | 2026-9 |