| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 4.667 | 吨/公顷 | 2026-9 |
| 2025/2026 | 4.583 | 吨/公顷 | 2026-9 |
| 2024/2025 | 4.546 | 吨/公顷 | 2026-9 |
| 2023/2024 | 4.5 | 吨/公顷 | 2026-9 |
| 2022/2023 | 5.51 | 吨/公顷 | 2026-9 |
| 2021/2022 | 4.231 | 吨/公顷 | 2026-9 |
| 2020/2021 | 4.6 | 吨/公顷 | 2026-9 |
| 2019/2020 | 3.841 | 吨/公顷 | 2026-9 |
| 2018/2019 | 4 | 吨/公顷 | 2026-9 |
| 2017/2018 | 4.129 | 吨/公顷 | 2026-9 |
| 2016/2017 | 4.324 | 吨/公顷 | 2026-9 |
| 2015/2016 | 3.55 | 吨/公顷 | 2026-9 |
| 2014/2015 | 2.881 | 吨/公顷 | 2026-9 |
| 2013/2014 | 3.897 | 吨/公顷 | 2026-9 |
| 2012/2013 | 3.689 | 吨/公顷 | 2026-9 |
| 2011/2012 | 3.621 | 吨/公顷 | 2026-9 |
| 2010/2011 | 2.636 | 吨/公顷 | 2026-9 |
| 2009/2010 | 3.765 | 吨/公顷 | 2026-9 |
| 2008/2009 | 3.766 | 吨/公顷 | 2026-9 |
| 2007/2008 | 3.473 | 吨/公顷 | 2026-9 |
| 2006/2007 | 3.178 | 吨/公顷 | 2026-9 |
| 2005/2006 | 3.062 | 吨/公顷 | 2026-9 |
| 2004/2005 | 3.667 | 吨/公顷 | 2026-9 |
| 2003/2004 | 2.268 | 吨/公顷 | 2026-9 |
| 2002/2003 | 2.989 | 吨/公顷 | 2026-9 |
| 2001/2002 | 2.429 | 吨/公顷 | 2026-9 |
| 2000/2001 | 3.231 | 吨/公顷 | 2026-9 |
| 1999/2000 | 2.716 | 吨/公顷 | 2026-9 |
| 1998/1999 | 3.217 | 吨/公顷 | 2026-9 |
| 1997/1998 | 3.021 | 吨/公顷 | 2026-9 |
| 1996/1997 | 2.484 | 吨/公顷 | 2026-9 |
| 1995/1996 | 2.602 | 吨/公顷 | 2026-9 |
| 1994/1995 | 2.412 | 吨/公顷 | 2026-9 |
| 1993/1994 | 2.3 | 吨/公顷 | 2026-9 |
| 1992/1993 | 2.507 | 吨/公顷 | 2026-9 |