| 年度 | 数值 | 单位 | 发布日期 |
| 2026/2027 | 2.546 | 吨/公顷 | 2026-9 |
| 2025/2026 | 2.687 | 吨/公顷 | 2026-9 |
| 2024/2025 | 2.604 | 吨/公顷 | 2026-9 |
| 2023/2024 | 2.764 | 吨/公顷 | 2026-9 |
| 2022/2023 | 2.339 | 吨/公顷 | 2026-9 |
| 2021/2022 | 2.819 | 吨/公顷 | 2026-9 |
| 2020/2021 | 2.608 | 吨/公顷 | 2026-9 |
| 2019/2020 | 2.893 | 吨/公顷 | 2026-9 |
| 2018/2019 | 2.899 | 吨/公顷 | 2026-9 |
| 2017/2018 | 2.754 | 吨/公顷 | 2026-9 |
| 2016/2017 | 2.988 | 吨/公顷 | 2026-9 |
| 2015/2016 | 2.668 | 吨/公顷 | 2026-9 |
| 2014/2015 | 3.198 | 吨/公顷 | 2026-9 |
| 2013/2014 | 2.563 | 吨/公顷 | 2026-9 |
| 2012/2013 | 2.235 | 吨/公顷 | 2026-9 |
| 2011/2012 | 2.738 | 吨/公顷 | 2026-9 |
| 2010/2011 | 2.812 | 吨/公顷 | 2026-9 |
| 2009/2010 | 2.702 | 吨/公顷 | 2026-9 |
| 2008/2009 | 2.736 | 吨/公顷 | 2026-9 |
| 2007/2008 | 2.093 | 吨/公顷 | 2026-9 |
| 2006/2007 | 2.517 | 吨/公顷 | 2026-9 |
| 2005/2006 | 2.869 | 吨/公顷 | 2026-9 |
| 2004/2005 | 2.705 | 吨/公顷 | 2026-9 |
| 2003/2004 | 1.978 | 吨/公顷 | 2026-9 |
| 2002/2003 | 2.87 | 吨/公顷 | 2026-9 |
| 2001/2002 | 3.063 | 吨/公顷 | 2026-9 |
| 2000/2001 | 2.579 | 吨/公顷 | 2026-9 |
| 1999/2000 | 2.877 | 吨/公顷 | 2026-9 |