| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 1.933 | 吨/公顷 | 2026-9 |
| 2025/2026 | 2.235 | 吨/公顷 | 2026-9 |
| 2024/2025 | 1.875 | 吨/公顷 | 2026-9 |
| 2023/2024 | 1.864 | 吨/公顷 | 2026-9 |
| 2022/2023 | 2.113 | 吨/公顷 | 2026-9 |
| 2021/2022 | 1.72 | 吨/公顷 | 2026-9 |
| 2020/2021 | 1.771 | 吨/公顷 | 2026-9 |
| 2019/2020 | 1.82 | 吨/公顷 | 2026-9 |
| 2018/2019 | 1.73 | 吨/公顷 | 2026-9 |
| 2017/2018 | 1.96 | 吨/公顷 | 2026-9 |
| 2016/2017 | 1.73 | 吨/公顷 | 2026-9 |
| 2015/2016 | 1.6 | 吨/公顷 | 2026-9 |
| 2014/2015 | 1.712 | 吨/公顷 | 2026-9 |
| 2013/2014 | 1.64 | 吨/公顷 | 2026-9 |
| 2012/2013 | 1.41 | 吨/公顷 | 2026-9 |
| 2011/2012 | 1.82 | 吨/公顷 | 2026-9 |
| 2010/2011 | 1.437 | 吨/公顷 | 2026-9 |
| 2009/2010 | 1.788 | 吨/公顷 | 2026-9 |
| 2008/2009 | 1.711 | 吨/公顷 | 2026-9 |
| 2007/2008 | 1.632 | 吨/公顷 | 2026-9 |
| 2006/2007 | 1.468 | 吨/公顷 | 2026-9 |
| 2005/2006 | 1.438 | 吨/公顷 | 2026-9 |
| 2004/2005 | 1.51 | 吨/公顷 | 2026-9 |
| 2003/2004 | 1.678 | 吨/公顷 | 2026-9 |
| 2002/2003 | 1.561 | 吨/公顷 | 2026-9 |
| 2001/2002 | 1.712 | 吨/公顷 | 2026-9 |
| 2000/2001 | 1.471 | 吨/公顷 | 2026-9 |
| 1999/2000 | 1.129 | 吨/公顷 | 2026-9 |
| 1998/1999 | 1.179 | 吨/公顷 | 2026-9 |
| 1997/1998 | 1.609 | 吨/公顷 | 2026-9 |
| 1996/1997 | 1.39 | 吨/公顷 | 2026-9 |
| 1995/1996 | 1.22 | 吨/公顷 | 2026-9 |
| 1994/1995 | 1.419 | 吨/公顷 | 2026-9 |
| 1993/1994 | 1.52 | 吨/公顷 | 2026-9 |
| 1992/1993 | 1.439 | 吨/公顷 | 2026-9 |
| 1991/1992 | 1.21 | 吨/公顷 | 2026-9 |
| 1990/1991 | 1.48 | 吨/公顷 | 2026-9 |
| 1989/1990 | 1.3 | 吨/公顷 | 2026-9 |
| 1988/1989 | 1.127 | 吨/公顷 | 2026-9 |
| 1987/1988 | 1.221 | 吨/公顷 | 2026-9 |