| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 2.267 | 吨/公顷 | 2026-9 |
| 2025/2026 | 2.333 | 吨/公顷 | 2026-9 |
| 2024/2025 | 2.065 | 吨/公顷 | 2026-9 |
| 2023/2024 | 2.258 | 吨/公顷 | 2026-9 |
| 2022/2023 | 2.551 | 吨/公顷 | 2026-9 |
| 2021/2022 | 2.18 | 吨/公顷 | 2026-9 |
| 2020/2021 | 2.871 | 吨/公顷 | 2026-9 |
| 2019/2020 | 2.3 | 吨/公顷 | 2026-9 |
| 2018/2019 | 2.265 | 吨/公顷 | 2026-9 |
| 2017/2018 | 2.875 | 吨/公顷 | 2026-9 |
| 2016/2017 | 2.671 | 吨/公顷 | 2026-9 |
| 2015/2016 | 3.258 | 吨/公顷 | 2026-9 |
| 2014/2015 | 3.457 | 吨/公顷 | 2026-9 |
| 2013/2014 | 2.647 | 吨/公顷 | 2026-9 |
| 2012/2013 | 3.221 | 吨/公顷 | 2026-9 |
| 2011/2012 | 2.854 | 吨/公顷 | 2026-9 |
| 2010/2011 | 2.402 | 吨/公顷 | 2026-9 |
| 2009/2010 | 3.305 | 吨/公顷 | 2026-9 |
| 2008/2009 | 3.324 | 吨/公顷 | 2026-9 |
| 2007/2008 | 2.613 | 吨/公顷 | 2026-9 |
| 2006/2007 | 2.256 | 吨/公顷 | 2026-9 |
| 2005/2006 | 2.625 | 吨/公顷 | 2026-9 |
| 2004/2005 | 3.08 | 吨/公顷 | 2026-9 |
| 2003/2004 | 2 | 吨/公顷 | 2026-9 |
| 2002/2003 | 2.195 | 吨/公顷 | 2026-9 |
| 2001/2002 | 1.803 | 吨/公顷 | 2026-9 |
| 2000/2001 | 1.737 | 吨/公顷 | 2026-9 |
| 1999/2000 | 1.256 | 吨/公顷 | 2026-9 |
| 1998/1999 | 1.71 | 吨/公顷 | 2026-9 |
| 1997/1998 | 2.529 | 吨/公顷 | 2026-9 |
| 1996/1997 | 2.11 | 吨/公顷 | 2026-9 |
| 1995/1996 | 1.893 | 吨/公顷 | 2026-9 |
| 1994/1995 | 2.065 | 吨/公顷 | 2026-9 |
| 1993/1994 | 2.819 | 吨/公顷 | 2026-9 |
| 1992/1993 | 2.171 | 吨/公顷 | 2026-9 |
| 1991/1992 | 2.094 | 吨/公顷 | 2026-9 |
| 1990/1991 | 2.196 | 吨/公顷 | 2026-9 |
| 1989/1990 | 2.486 | 吨/公顷 | 2026-9 |
| 1988/1989 | 1.919 | 吨/公顷 | 2026-9 |
| 1987/1988 | 2.61 | 吨/公顷 | 2026-9 |