| 年度 | 数值 | 单位 | 发布时间 |
|---|
| 2026/2027 | 7.146 | 吨/公顷 | 2026-9 |
| 2025/2026 | 7.023 | 吨/公顷 | 2026-9 |
| 2024/2025 | 6.537 | 吨/公顷 | 2026-9 |
| 2023/2024 | 7.738 | 吨/公顷 | 2026-9 |
| 2022/2023 | 6.667 | 吨/公顷 | 2026-9 |
| 2021/2022 | 7.679 | 吨/公顷 | 2026-9 |
| 2020/2021 | 5.616 | 吨/公顷 | 2026-9 |
| 2019/2020 | 7.19 | 吨/公顷 | 2026-9 |
| 2018/2019 | 7.84 | 吨/公顷 | 2026-9 |
| 2017/2018 | 5.44 | 吨/公顷 | 2026-9 |
| 2016/2017 | 6.598 | 吨/公顷 | 2026-9 |
| 2015/2016 | 5.712 | 吨/公顷 | 2026-9 |
| 2014/2015 | 6.151 | 吨/公顷 | 2026-9 |
| 2013/2014 | 6.404 | 吨/公顷 | 2026-9 |
| 2012/2013 | 4.788 | 吨/公顷 | 2026-9 |
| 2011/2012 | 6.444 | 吨/公顷 | 2026-9 |
| 2010/2011 | 4.501 | 吨/公顷 | 2026-9 |
| 2009/2010 | 5.02 | 吨/公顷 | 2026-9 |
| 2008/2009 | 4.691 | 吨/公顷 | 2026-9 |
| 2007/2008 | 3.9 | 吨/公顷 | 2026-9 |
| 2006/2007 | 3.736 | 吨/公顷 | 2026-9 |
| 2005/2006 | 4.318 | 吨/公顷 | 2026-9 |
| 2004/2005 | 3.855 | 吨/公顷 | 2026-9 |
| 2003/2004 | 3.457 | 吨/公顷 | 2026-9 |
| 2002/2003 | 3.516 | 吨/公顷 | 2026-9 |
| 2001/2002 | 3.242 | 吨/公顷 | 2026-9 |
| 2000/2001 | 3.009 | 吨/公顷 | 2026-9 |
| 1999/2000 | 2.521 | 吨/公顷 | 2026-9 |
| 1998/1999 | 2.529 | 吨/公顷 | 2026-9 |
| 1997/1998 | 3.956 | 吨/公顷 | 2026-9 |
| 1996/1997 | 2.742 | 吨/公顷 | 2026-9 |
| 1995/1996 | 2.922 | 吨/公顷 | 2026-9 |
| 1994/1995 | 2.361 | 吨/公顷 | 2026-9 |
| 1993/1994 | 2.845 | 吨/公顷 | 2026-9 |
| 1992/1993 | 2.458 | 吨/公顷 | 2026-9 |
| 1991/1992 | 3.249 | 吨/公顷 | 2026-9 |
| 1990/1991 | 3.839 | 吨/公顷 | 2026-9 |
| 1989/1990 | 3.786 | 吨/公顷 | 2026-9 |
| 1988/1989 | 3.711 | 吨/公顷 | 2026-9 |
| 1987/1988 | 3.429 | 吨/公顷 | 2026-9 |