| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 1.714 | 吨/公顷 | 2026-9 |
| 2025/2026 | 1.951 | 吨/公顷 | 2026-9 |
| 2024/2025 | 1.92 | 吨/公顷 | 2026-9 |
| 2023/2024 | 1.323 | 吨/公顷 | 2026-9 |
| 2022/2023 | 1.477 | 吨/公顷 | 2026-9 |
| 2021/2022 | 1.237 | 吨/公顷 | 2026-9 |
| 2020/2021 | 1.234 | 吨/公顷 | 2026-9 |
| 2019/2020 | 0.896 | 吨/公顷 | 2026-9 |
| 2018/2019 | 1.08 | 吨/公顷 | 2026-9 |
| 2017/2018 | 1.112 | 吨/公顷 | 2026-9 |
| 2016/2017 | 1.056 | 吨/公顷 | 2026-9 |
| 2015/2016 | 0.624 | 吨/公顷 | 2026-9 |
| 2014/2015 | 0.992 | 吨/公顷 | 2026-9 |
| 2013/2014 | 0.953 | 吨/公顷 | 2026-9 |
| 2012/2013 | 0.576 | 吨/公顷 | 2026-9 |
| 2011/2012 | 0.955 | 吨/公顷 | 2026-9 |
| 2010/2011 | 0.357 | 吨/公顷 | 2026-9 |
| 2009/2010 | 0.591 | 吨/公顷 | 2026-9 |
| 2008/2009 | 0.543 | 吨/公顷 | 2026-9 |
| 2007/2008 | 0.733 | 吨/公顷 | 2026-9 |
| 2006/2007 | 0.563 | 吨/公顷 | 2026-9 |
| 2005/2006 | 0.75 | 吨/公顷 | 2026-9 |
| 2004/2005 | 0.267 | 吨/公顷 | 2026-9 |
| 2003/2004 | 0.636 | 吨/公顷 | 2026-9 |
| 2002/2003 | 0.667 | 吨/公顷 | 2026-9 |
| 2001/2002 | 1 | 吨/公顷 | 2026-9 |
| 2000/2001 | 0.333 | 吨/公顷 | 2026-9 |
| 1999/2000 | 0.667 | 吨/公顷 | 2026-9 |
| 1998/1999 | 0.25 | 吨/公顷 | 2026-9 |
| 1997/1998 | 0.455 | 吨/公顷 | 2026-9 |
| 1996/1997 | 0.222 | 吨/公顷 | 2026-9 |
| 1995/1996 | 0.217 | 吨/公顷 | 2026-9 |
| 1994/1995 | 0.564 | 吨/公顷 | 2026-9 |
| 1993/1994 | 0.364 | 吨/公顷 | 2026-9 |
| 1992/1993 | 0.806 | 吨/公顷 | 2026-9 |
| 1991/1992 | 0.308 | 吨/公顷 | 2026-9 |
| 1990/1991 | 0.314 | 吨/公顷 | 2026-9 |
| 1989/1990 | 0.143 | 吨/公顷 | 2026-9 |
| 1988/1989 | 0.237 | 吨/公顷 | 2026-9 |
| 1987/1988 | 0.2 | 吨/公顷 | 2026-9 |