| 年度 | 数值 | 单位 | 发布时间 |
|---|
| 2026/2027 | 10.667 | 吨/公顷 | 2026-9 |
| 2025/2026 | 9.667 | 吨/公顷 | 2026-9 |
| 2024/2025 | 11.877 | 吨/公顷 | 2026-9 |
| 2023/2024 | 12.597 | 吨/公顷 | 2026-9 |
| 2022/2023 | 10.413 | 吨/公顷 | 2026-9 |
| 2021/2022 | 9.077 | 吨/公顷 | 2026-9 |
| 2020/2021 | 9.694 | 吨/公顷 | 2026-9 |
| 2019/2020 | 9.791 | 吨/公顷 | 2026-9 |
| 2018/2019 | 10.325 | 吨/公顷 | 2026-9 |
| 2017/2018 | 10.514 | 吨/公顷 | 2026-9 |
| 2016/2017 | 12.3 | 吨/公顷 | 2026-9 |
| 2015/2016 | 11.892 | 吨/公顷 | 2026-9 |
| 2014/2015 | 11.444 | 吨/公顷 | 2026-9 |
| 2013/2014 | 10.588 | 吨/公顷 | 2026-9 |
| 2012/2013 | 8 | 吨/公顷 | 2026-9 |
| 2011/2012 | 4.571 | 吨/公顷 | 2026-9 |
| 2010/2011 | 4.571 | 吨/公顷 | 2026-9 |
| 2009/2010 | 4.571 | 吨/公顷 | 2026-9 |
| 2008/2009 | 4.571 | 吨/公顷 | 2026-9 |
| 2007/2008 | 4.571 | 吨/公顷 | 2026-9 |
| 2006/2007 | 4.571 | 吨/公顷 | 2026-9 |
| 2005/2006 | 4.571 | 吨/公顷 | 2026-9 |
| 2004/2005 | 4.429 | 吨/公顷 | 2026-9 |
| 2003/2004 | 4.143 | 吨/公顷 | 2026-9 |
| 2002/2003 | 4.286 | 吨/公顷 | 2026-9 |
| 2001/2002 | 2 | 吨/公顷 | 2026-9 |
| 2000/2001 | 2.75 | 吨/公顷 | 2026-9 |
| 1999/2000 | 3 | 吨/公顷 | 2026-9 |
| 1998/1999 | 2.909 | 吨/公顷 | 2026-9 |
| 1997/1998 | 3.31 | 吨/公顷 | 2026-9 |
| 1996/1997 | 3.425 | 吨/公顷 | 2026-9 |
| 1995/1996 | 2.919 | 吨/公顷 | 2026-9 |
| 1994/1995 | 3.101 | 吨/公顷 | 2026-9 |
| 1993/1994 | 3.848 | 吨/公顷 | 2026-9 |
| 1992/1993 | 3.707 | 吨/公顷 | 2026-9 |
| 1991/1992 | 3.991 | 吨/公顷 | 2026-9 |
| 1990/1991 | 3.991 | 吨/公顷 | 2026-9 |
| 1989/1990 | 4.144 | 吨/公顷 | 2026-9 |
| 1988/1989 | 4.483 | 吨/公顷 | 2026-9 |
| 1987/1988 | 3.568 | 吨/公顷 | 2026-9 |