| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 4.17 | 吨/公顷 | 2026-9 |
| 2025/2026 | 4.461 | 吨/公顷 | 2026-9 |
| 2024/2025 | 4.063 | 吨/公顷 | 2026-9 |
| 2023/2024 | 4.172 | 吨/公顷 | 2026-9 |
| 2022/2023 | 4.202 | 吨/公顷 | 2026-9 |
| 2021/2022 | 4.195 | 吨/公顷 | 2026-9 |
| 2020/2021 | 4.214 | 吨/公顷 | 2026-9 |
| 2019/2020 | 3.702 | 吨/公顷 | 2026-9 |
| 2018/2019 | 3.413 | 吨/公顷 | 2026-9 |
| 2017/2018 | 3.95 | 吨/公顷 | 2026-9 |
| 2016/2017 | 3.74 | 吨/公顷 | 2026-9 |
| 2015/2016 | 3.834 | 吨/公顷 | 2026-9 |
| 2014/2015 | 4.181 | 吨/公顷 | 2026-9 |
| 2013/2014 | 3.888 | 吨/公顷 | 2026-9 |
| 2012/2013 | 3.782 | 吨/公顷 | 2026-9 |
| 2011/2012 | 3.538 | 吨/公顷 | 2026-9 |
| 2010/2011 | 3.677 | 吨/公顷 | 2026-9 |
| 2009/2010 | 3.754 | 吨/公顷 | 2026-9 |
| 2008/2009 | 3.503 | 吨/公顷 | 2026-9 |
| 2007/2008 | 3.452 | 吨/公顷 | 2026-9 |
| 2006/2007 | 3.032 | 吨/公顷 | 2026-9 |
| 2005/2006 | 3.561 | 吨/公顷 | 2026-9 |
| 2004/2005 | 3.921 | 吨/公顷 | 2026-9 |
| 2003/2004 | 3.204 | 吨/公顷 | 2026-9 |
| 2002/2003 | 3.67 | 吨/公顷 | 2026-9 |
| 2001/2002 | 3.664 | 吨/公顷 | 2026-9 |
| 2000/2001 | 3.188 | 吨/公顷 | 2026-9 |
| 1999/2000 | 3.647 | 吨/公顷 | 2026-9 |