| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 3.636 | 吨/公顷 | 2026-9 |
| 2025/2026 | 3.571 | 吨/公顷 | 2026-9 |
| 2024/2025 | 2.973 | 吨/公顷 | 2026-9 |
| 2023/2024 | 4.093 | 吨/公顷 | 2026-9 |
| 2022/2023 | 4.518 | 吨/公顷 | 2026-9 |
| 2021/2022 | 2.679 | 吨/公顷 | 2026-9 |
| 2020/2021 | 3.354 | 吨/公顷 | 2026-9 |
| 2019/2020 | 2.691 | 吨/公顷 | 2026-9 |
| 2018/2019 | 2.201 | 吨/公顷 | 2026-9 |
| 2017/2018 | 3.142 | 吨/公顷 | 2026-9 |
| 2016/2017 | 2.784 | 吨/公顷 | 2026-9 |
| 2015/2016 | 3.698 | 吨/公顷 | 2026-9 |
| 2014/2015 | 3.641 | 吨/公顷 | 2026-9 |
| 2013/2014 | 2.942 | 吨/公顷 | 2026-9 |
| 2012/2013 | 3.442 | 吨/公顷 | 2026-9 |
| 2011/2012 | 2.949 | 吨/公顷 | 2026-9 |
| 2010/2011 | 2.845 | 吨/公顷 | 2026-9 |
| 2009/2010 | 3.475 | 吨/公顷 | 2026-9 |
| 2008/2009 | 3.591 | 吨/公顷 | 2026-9 |
| 2007/2008 | 2.81 | 吨/公顷 | 2026-9 |
| 2006/2007 | 2.669 | 吨/公顷 | 2026-9 |
| 2005/2006 | 3.031 | 吨/公顷 | 2026-9 |
| 2004/2005 | 3.03 | 吨/公顷 | 2026-9 |
| 2003/2004 | 2.25 | 吨/公顷 | 2026-9 |
| 2002/2003 | 2.49 | 吨/公顷 | 2026-9 |
| 2001/2002 | 2.252 | 吨/公顷 | 2026-9 |
| 2000/2001 | 1.872 | 吨/公顷 | 2026-9 |
| 1999/2000 | 1.456 | 吨/公顷 | 2026-9 |
| 1998/1999 | 1.934 | 吨/公顷 | 2026-9 |
| 1997/1998 | 2.666 | 吨/公顷 | 2026-9 |
| 1996/1997 | 2.347 | 吨/公顷 | 2026-9 |
| 1995/1996 | 1.902 | 吨/公顷 | 2026-9 |
| 1994/1995 | 2.379 | 吨/公顷 | 2026-9 |
| 1993/1994 | 2.806 | 吨/公顷 | 2026-9 |
| 1992/1993 | 2.687 | 吨/公顷 | 2026-9 |
| 1991/1992 | 2.516 | 吨/公顷 | 2026-9 |
| 1990/1991 | 2.823 | 吨/公顷 | 2026-9 |
| 1989/1990 | 2.895 | 吨/公顷 | 2026-9 |
| 1988/1989 | 2.48 | 吨/公顷 | 2026-9 |
| 1987/1988 | 3.424 | 吨/公顷 | 2026-9 |