| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 4 | 吨/公顷 | 2026-9 |
| 2025/2026 | 3.613 | 吨/公顷 | 2026-9 |
| 2024/2025 | 3.625 | 吨/公顷 | 2026-9 |
| 2023/2024 | 3.631 | 吨/公顷 | 2026-9 |
| 2022/2023 | 3.128 | 吨/公顷 | 2026-9 |
| 2021/2022 | 3.703 | 吨/公顷 | 2026-9 |
| 2020/2021 | 3.076 | 吨/公顷 | 2026-9 |
| 2019/2020 | 3.425 | 吨/公顷 | 2026-9 |
| 2018/2019 | 2.96 | 吨/公顷 | 2026-9 |
| 2017/2018 | 3.279 | 吨/公顷 | 2026-9 |
| 2016/2017 | 3.243 | 吨/公顷 | 2026-9 |
| 2015/2016 | 2.917 | 吨/公顷 | 2026-9 |
| 2014/2015 | 2.953 | 吨/公顷 | 2026-9 |
| 2013/2014 | 2.339 | 吨/公顷 | 2026-9 |
| 2012/2013 | 2.106 | 吨/公顷 | 2026-9 |
| 2011/2012 | 2.47 | 吨/公顷 | 2026-9 |
| 2010/2011 | 1.965 | 吨/公顷 | 2026-9 |
| 2009/2010 | 2.369 | 吨/公顷 | 2026-9 |
| 2008/2009 | 3.027 | 吨/公顷 | 2026-9 |
| 2007/2008 | 1.463 | 吨/公顷 | 2026-9 |
| 2006/2007 | 2.166 | 吨/公顷 | 2026-9 |
| 2005/2006 | 2.063 | 吨/公顷 | 2026-9 |
| 2004/2005 | 2.455 | 吨/公顷 | 2026-9 |
| 2003/2004 | 1.485 | 吨/公顷 | 2026-9 |
| 2002/2003 | 2.496 | 吨/公顷 | 2026-9 |
| 2001/2002 | 2.598 | 吨/公顷 | 2026-9 |
| 2000/2001 | 1.862 | 吨/公顷 | 2026-9 |
| 1999/2000 | 1.849 | 吨/公顷 | 2026-9 |
| 1998/1999 | 1.646 | 吨/公顷 | 2026-9 |
| 1997/1998 | 2 | 吨/公顷 | 2026-9 |
| 1996/1997 | 1.671 | 吨/公顷 | 2026-9 |
| 1995/1996 | 2.183 | 吨/公顷 | 2026-9 |
| 1994/1995 | 2.849 | 吨/公顷 | 2026-9 |
| 1993/1994 | 3.215 | 吨/公顷 | 2026-9 |
| 1992/1993 | 2.928 | 吨/公顷 | 2026-9 |
| 1991/1992 | 2.523 | 吨/公顷 | 2026-9 |
| 1990/1991 | 3.36 | 吨/公顷 | 2026-9 |
| 1989/1990 | 3.12 | 吨/公顷 | 2026-9 |
| 1988/1989 | 2.392 | 吨/公顷 | 2026-9 |
| 1987/1988 | 2.99 | 吨/公顷 | 2026-9 |