| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 4.975 | 吨/公顷 | 2026-9 |
| 2025/2026 | 4.975 | 吨/公顷 | 2026-9 |
| 2024/2025 | 5.051 | 吨/公顷 | 2026-9 |
| 2023/2024 | 4.495 | 吨/公顷 | 2026-9 |
| 2022/2023 | 5.101 | 吨/公顷 | 2026-9 |
| 2021/2022 | 5.053 | 吨/公顷 | 2026-9 |
| 2020/2021 | 5.037 | 吨/公顷 | 2026-9 |
| 2019/2020 | 5.029 | 吨/公顷 | 2026-9 |
| 2018/2019 | 5.077 | 吨/公顷 | 2026-9 |
| 2017/2018 | 5.133 | 吨/公顷 | 2026-9 |
| 2016/2017 | 4.485 | 吨/公顷 | 2026-9 |
| 2015/2016 | 4.464 | 吨/公顷 | 2026-9 |
| 2014/2015 | 4.25 | 吨/公顷 | 2026-9 |
| 2013/2014 | 4.34 | 吨/公顷 | 2026-9 |
| 2012/2013 | 4.056 | 吨/公顷 | 2026-9 |
| 2011/2012 | 3.88 | 吨/公顷 | 2026-9 |
| 2010/2011 | 3.554 | 吨/公顷 | 2026-9 |
| 2009/2010 | 3.404 | 吨/公顷 | 2026-9 |
| 2008/2009 | 3.527 | 吨/公顷 | 2026-9 |
| 2007/2008 | 3 | 吨/公顷 | 2026-9 |
| 2006/2007 | 2.315 | 吨/公顷 | 2026-9 |
| 2005/2006 | 2.788 | 吨/公顷 | 2026-9 |
| 2004/2005 | 2.912 | 吨/公顷 | 2026-9 |
| 2003/2004 | 2.743 | 吨/公顷 | 2026-9 |
| 2002/2003 | 2.727 | 吨/公顷 | 2026-9 |
| 2001/2002 | 2.857 | 吨/公顷 | 2026-9 |
| 2000/2001 | 0 | 吨/公顷 | 2026-9 |
| 1999/2000 | 0 | 吨/公顷 | 2026-9 |
| 1998/1999 | 0 | 吨/公顷 | 2026-9 |
| 1997/1998 | 0 | 吨/公顷 | 2026-9 |
| 1996/1997 | 4.5 | 吨/公顷 | 2026-9 |
| 1995/1996 | 3.875 | 吨/公顷 | 2026-9 |
| 1994/1995 | 2.875 | 吨/公顷 | 2026-9 |
| 1993/1994 | 3.167 | 吨/公顷 | 2026-9 |
| 1992/1993 | 2.667 | 吨/公顷 | 2026-9 |
| 1991/1992 | 3.333 | 吨/公顷 | 2026-9 |
| 1990/1991 | 3 | 吨/公顷 | 2026-9 |
| 1989/1990 | 0 | 吨/公顷 | 2026-9 |
| 1988/1989 | 0 | 吨/公顷 | 2026-9 |
| 1987/1988 | 0 | 吨/公顷 | 2026-9 |