| 年度 | 数值 | 单位 | 发布时间 |
|---|
| 2026/2027 | 9.667 | 吨/公顷 | 2026-9 |
| 2025/2026 | 9.667 | 吨/公顷 | 2026-9 |
| 2024/2025 | 9.667 | 吨/公顷 | 2026-9 |
| 2023/2024 | 10.103 | 吨/公顷 | 2026-9 |
| 2022/2023 | 8.871 | 吨/公顷 | 2026-9 |
| 2021/2022 | 8.969 | 吨/公顷 | 2026-9 |
| 2020/2021 | 9.471 | 吨/公顷 | 2026-9 |
| 2019/2020 | 8.606 | 吨/公顷 | 2026-9 |
| 2018/2019 | 7.75 | 吨/公顷 | 2026-9 |
| 2017/2018 | 6.556 | 吨/公顷 | 2026-9 |
| 2016/2017 | 6.222 | 吨/公顷 | 2026-9 |
| 2015/2016 | 5.784 | 吨/公顷 | 2026-9 |
| 2014/2015 | 5.368 | 吨/公顷 | 2026-9 |
| 2013/2014 | 5.333 | 吨/公顷 | 2026-9 |
| 2012/2013 | 5.056 | 吨/公顷 | 2026-9 |
| 2011/2012 | 4.471 | 吨/公顷 | 2026-9 |
| 2010/2011 | 4.533 | 吨/公顷 | 2026-9 |
| 2009/2010 | 4.719 | 吨/公顷 | 2026-9 |
| 2008/2009 | 4.765 | 吨/公顷 | 2026-9 |
| 2007/2008 | 4.647 | 吨/公顷 | 2026-9 |
| 2006/2007 | 4.563 | 吨/公顷 | 2026-9 |
| 2005/2006 | 4.719 | 吨/公顷 | 2026-9 |
| 2004/2005 | 4.636 | 吨/公顷 | 2026-9 |
| 2003/2004 | 4.469 | 吨/公顷 | 2026-9 |
| 2002/2003 | 4.267 | 吨/公顷 | 2026-9 |
| 2001/2002 | 3.774 | 吨/公顷 | 2026-9 |
| 2000/2001 | 3.25 | 吨/公顷 | 2026-9 |
| 1999/2000 | 3.448 | 吨/公顷 | 2026-9 |
| 1998/1999 | 3.3 | 吨/公顷 | 2026-9 |
| 1997/1998 | 2.5 | 吨/公顷 | 2026-9 |
| 1996/1997 | 1.077 | 吨/公顷 | 2026-9 |
| 1995/1996 | 1.091 | 吨/公顷 | 2026-9 |
| 1994/1995 | 1.273 | 吨/公顷 | 2026-9 |
| 1993/1994 | 1.4 | 吨/公顷 | 2026-9 |
| 1992/1993 | 1.909 | 吨/公顷 | 2026-9 |
| 1991/1992 | 1.375 | 吨/公顷 | 2026-9 |
| 1990/1991 | 1.385 | 吨/公顷 | 2026-9 |
| 1989/1990 | 1.143 | 吨/公顷 | 2026-9 |
| 1988/1989 | 2.121 | 吨/公顷 | 2026-9 |
| 1987/1988 | 1.862 | 吨/公顷 | 2026-9 |