| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 1.286 | 吨/公顷 | 2026-9 |
| 2025/2026 | 1.15 | 吨/公顷 | 2026-9 |
| 2024/2025 | 1.083 | 吨/公顷 | 2026-9 |
| 2023/2024 | 1.127 | 吨/公顷 | 2026-9 |
| 2022/2023 | 1.217 | 吨/公顷 | 2026-9 |
| 2021/2022 | 1.094 | 吨/公顷 | 2026-9 |
| 2020/2021 | 1.113 | 吨/公顷 | 2026-9 |
| 2019/2020 | 1.272 | 吨/公顷 | 2026-9 |
| 2018/2019 | 0.9 | 吨/公顷 | 2026-9 |
| 2017/2018 | 0.973 | 吨/公顷 | 2026-9 |
| 2016/2017 | 1.018 | 吨/公顷 | 2026-9 |
| 2015/2016 | 1.08 | 吨/公顷 | 2026-9 |
| 2014/2015 | 1.103 | 吨/公顷 | 2026-9 |
| 2013/2014 | 0.926 | 吨/公顷 | 2026-9 |
| 2012/2013 | 1.09 | 吨/公顷 | 2026-9 |
| 2011/2012 | 1.123 | 吨/公顷 | 2026-9 |
| 2010/2011 | 0.988 | 吨/公顷 | 2026-9 |
| 2009/2010 | 0.877 | 吨/公顷 | 2026-9 |
| 2008/2009 | 0.839 | 吨/公顷 | 2026-9 |
| 2007/2008 | 0.936 | 吨/公顷 | 2026-9 |
| 2006/2007 | 0.988 | 吨/公顷 | 2026-9 |
| 2005/2006 | 0.973 | 吨/公顷 | 2026-9 |
| 2004/2005 | 1.031 | 吨/公顷 | 2026-9 |
| 2003/2004 | 1.018 | 吨/公顷 | 2026-9 |
| 2002/2003 | 1.06 | 吨/公顷 | 2026-9 |
| 2001/2002 | 1.02 | 吨/公顷 | 2026-9 |
| 2000/2001 | 0.77 | 吨/公顷 | 2026-9 |
| 1999/2000 | 0.71 | 吨/公顷 | 2026-9 |
| 1998/1999 | 0.867 | 吨/公顷 | 2026-9 |
| 1997/1998 | 0.86 | 吨/公顷 | 2026-9 |
| 1996/1997 | 0.685 | 吨/公顷 | 2026-9 |
| 1995/1996 | 0.8 | 吨/公顷 | 2026-9 |
| 1994/1995 | 0.839 | 吨/公顷 | 2026-9 |
| 1993/1994 | 0.982 | 吨/公顷 | 2026-9 |
| 1992/1993 | 0.794 | 吨/公顷 | 2026-9 |
| 1991/1992 | 1.493 | 吨/公顷 | 2026-9 |
| 1990/1991 | 1.546 | 吨/公顷 | 2026-9 |
| 1989/1990 | 1.803 | 吨/公顷 | 2026-9 |
| 1988/1989 | 1.674 | 吨/公顷 | 2026-9 |
| 1987/1988 | 1.528 | 吨/公顷 | 2026-9 |