| 年度 | 数值 | 单位 | 发布时间 |
|---|
| 2026/2027 | 3.529 | 吨/公顷 | 2026-9 |
| 2025/2026 | 3.529 | 吨/公顷 | 2026-9 |
| 2024/2025 | 3.4 | 吨/公顷 | 2026-9 |
| 2023/2024 | 3.056 | 吨/公顷 | 2026-9 |
| 2022/2023 | 2.908 | 吨/公顷 | 2026-9 |
| 2021/2022 | 3.083 | 吨/公顷 | 2026-9 |
| 2020/2021 | 4.411 | 吨/公顷 | 2026-9 |
| 2019/2020 | 4.013 | 吨/公顷 | 2026-9 |
| 2018/2019 | 3.905 | 吨/公顷 | 2026-9 |
| 2017/2018 | 3.803 | 吨/公顷 | 2026-9 |
| 2016/2017 | 3.717 | 吨/公顷 | 2026-9 |
| 2015/2016 | 3.588 | 吨/公顷 | 2026-9 |
| 2014/2015 | 3.729 | 吨/公顷 | 2026-9 |
| 2013/2014 | 3.597 | 吨/公顷 | 2026-9 |
| 2012/2013 | 3.074 | 吨/公顷 | 2026-9 |
| 2011/2012 | 3.424 | 吨/公顷 | 2026-9 |
| 2010/2011 | 2.76 | 吨/公顷 | 2026-9 |
| 2009/2010 | 2.793 | 吨/公顷 | 2026-9 |
| 2008/2009 | 2.549 | 吨/公顷 | 2026-9 |
| 2007/2008 | 2.154 | 吨/公顷 | 2026-9 |
| 2006/2007 | 1.647 | 吨/公顷 | 2026-9 |
| 2005/2006 | 1.469 | 吨/公顷 | 2026-9 |
| 2004/2005 | 1.5 | 吨/公顷 | 2026-9 |
| 2003/2004 | 1.522 | 吨/公顷 | 2026-9 |
| 2002/2003 | 1.111 | 吨/公顷 | 2026-9 |
| 2001/2002 | 1.13 | 吨/公顷 | 2026-9 |
| 2000/2001 | 1.16 | 吨/公顷 | 2026-9 |