| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 3.014 | 吨/公顷 | 2026-9 |
| 2025/2026 | 2.973 | 吨/公顷 | 2026-9 |
| 2024/2025 | 3.056 | 吨/公顷 | 2026-9 |
| 2023/2024 | 2.989 | 吨/公顷 | 2026-9 |
| 2022/2023 | 2.852 | 吨/公顷 | 2026-9 |
| 2021/2022 | 3.067 | 吨/公顷 | 2026-9 |
| 2020/2021 | 2.957 | 吨/公顷 | 2026-9 |
| 2019/2020 | 2.971 | 吨/公顷 | 2026-9 |
| 2018/2019 | 2.795 | 吨/公顷 | 2026-9 |
| 2017/2018 | 2.555 | 吨/公顷 | 2026-9 |
| 2016/2017 | 2.687 | 吨/公顷 | 2026-9 |
| 2015/2016 | 2.947 | 吨/公顷 | 2026-9 |
| 2014/2015 | 2.065 | 吨/公顷 | 2026-9 |
| 2013/2014 | 2.492 | 吨/公顷 | 2026-9 |
| 2012/2013 | 2.534 | 吨/公顷 | 2026-9 |
| 2011/2012 | 2.407 | 吨/公顷 | 2026-9 |
| 2010/2011 | 1.985 | 吨/公顷 | 2026-9 |
| 2009/2010 | 2.454 | 吨/公顷 | 2026-9 |
| 2008/2009 | 2.56 | 吨/公顷 | 2026-9 |
| 2007/2008 | 2.392 | 吨/公顷 | 2026-9 |
| 2006/2007 | 2.289 | 吨/公顷 | 2026-9 |
| 2005/2006 | 2.27 | 吨/公顷 | 2026-9 |
| 2004/2005 | 2.27 | 吨/公顷 | 2026-9 |
| 2003/2004 | 2.386 | 吨/公顷 | 2026-9 |
| 2002/2003 | 2.339 | 吨/公顷 | 2026-9 |
| 2001/2002 | 2.293 | 吨/公顷 | 2026-9 |
| 2000/2001 | 2.073 | 吨/公顷 | 2026-9 |
| 1999/2000 | 2.632 | 吨/公顷 | 2026-9 |
| 1998/1999 | 2.5 | 吨/公顷 | 2026-9 |
| 1997/1998 | 1.912 | 吨/公顷 | 2026-9 |
| 1996/1997 | 1.484 | 吨/公顷 | 2026-9 |
| 1995/1996 | 1.624 | 吨/公顷 | 2026-9 |
| 1994/1995 | 1.638 | 吨/公顷 | 2026-9 |
| 1993/1994 | 1.404 | 吨/公顷 | 2026-9 |
| 1992/1993 | 1.926 | 吨/公顷 | 2026-9 |
| 1991/1992 | 1.93 | 吨/公顷 | 2026-9 |
| 1990/1991 | 2.347 | 吨/公顷 | 2026-9 |
| 1989/1990 | 2.083 | 吨/公顷 | 2026-9 |
| 1988/1989 | 2.63 | 吨/公顷 | 2026-9 |
| 1987/1988 | 2.333 | 吨/公顷 | 2026-9 |