| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 2.604 | 吨/公顷 | 2026-9 |
| 2025/2026 | 2.089 | 吨/公顷 | 2026-9 |
| 2024/2025 | 2.921 | 吨/公顷 | 2026-9 |
| 2023/2024 | 1.897 | 吨/公顷 | 2026-9 |
| 2022/2023 | 2.534 | 吨/公顷 | 2026-9 |
| 2021/2022 | 1.446 | 吨/公顷 | 2026-9 |
| 2020/2021 | 2.536 | 吨/公顷 | 2026-9 |
| 2019/2020 | 2.504 | 吨/公顷 | 2026-9 |
| 2018/2019 | 2.425 | 吨/公顷 | 2026-9 |
| 2017/2018 | 2.404 | 吨/公顷 | 2026-9 |
| 2016/2017 | 2.452 | 吨/公顷 | 2026-9 |
| 2015/2016 | 2.374 | 吨/公顷 | 2026-9 |
| 2014/2015 | 1.685 | 吨/公顷 | 2026-9 |
| 2013/2014 | 2.36 | 吨/公顷 | 2026-9 |
| 2012/2013 | 1.67 | 吨/公顷 | 2026-9 |
| 2011/2012 | 2.122 | 吨/公顷 | 2026-9 |
| 2010/2011 | 2.168 | 吨/公顷 | 2026-9 |
| 2009/2010 | 2.629 | 吨/公顷 | 2026-9 |
| 2008/2009 | 1.938 | 吨/公顷 | 2026-9 |
| 2007/2008 | 2.003 | 吨/公顷 | 2026-9 |
| 2006/2007 | 2.192 | 吨/公顷 | 2026-9 |
| 2005/2006 | 2.209 | 吨/公顷 | 2026-9 |
| 2004/2005 | 2.41 | 吨/公顷 | 2026-9 |
| 2003/2004 | 2.529 | 吨/公顷 | 2026-9 |
| 2002/2003 | 2.612 | 吨/公顷 | 2026-9 |
| 2001/2002 | 2.481 | 吨/公顷 | 2026-9 |
| 2000/2001 | 2.053 | 吨/公顷 | 2026-9 |
| 1999/2000 | 2.296 | 吨/公顷 | 2026-9 |
| 1998/1999 | 2.356 | 吨/公顷 | 2026-9 |
| 1997/1998 | 2.316 | 吨/公顷 | 2026-9 |
| 1996/1997 | 2.133 | 吨/公顷 | 2026-9 |
| 1995/1996 | 1.628 | 吨/公顷 | 2026-9 |
| 1994/1995 | 1.44 | 吨/公顷 | 2026-9 |
| 1993/1994 | 2.43 | 吨/公顷 | 2026-9 |
| 1992/1993 | 2.653 | 吨/公顷 | 2026-9 |
| 1991/1992 | 2.237 | 吨/公顷 | 2026-9 |
| 1990/1991 | 2.485 | 吨/公顷 | 2026-9 |
| 1989/1990 | 2.964 | 吨/公顷 | 2026-9 |
| 1988/1989 | 2.782 | 吨/公顷 | 2026-9 |
| 1987/1988 | 3.151 | 吨/公顷 | 2026-9 |