| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 2.727 | 吨/公顷 | 2026-9 |
| 2025/2026 | 2.857 | 吨/公顷 | 2026-9 |
| 2024/2025 | 2.706 | 吨/公顷 | 2026-9 |
| 2023/2024 | 2.529 | 吨/公顷 | 2026-9 |
| 2022/2023 | 2.468 | 吨/公顷 | 2026-9 |
| 2021/2022 | 2.612 | 吨/公顷 | 2026-9 |
| 2020/2021 | 2.537 | 吨/公顷 | 2026-9 |
| 2019/2020 | 2.321 | 吨/公顷 | 2026-9 |
| 2018/2019 | 2.136 | 吨/公顷 | 2026-9 |
| 2017/2018 | 2.313 | 吨/公顷 | 2026-9 |
| 2016/2017 | 2.383 | 吨/公顷 | 2026-9 |
| 2015/2016 | 2.295 | 吨/公顷 | 2026-9 |
| 2014/2015 | 2.49 | 吨/公顷 | 2026-9 |
| 2013/2014 | 1.938 | 吨/公顷 | 2026-9 |
| 2012/2013 | 2.093 | 吨/公顷 | 2026-9 |
| 2011/2012 | 1.807 | 吨/公顷 | 2026-9 |
| 2010/2011 | 1.473 | 吨/公顷 | 2026-9 |
| 2009/2010 | 1.757 | 吨/公顷 | 2026-9 |
| 2008/2009 | 2.121 | 吨/公顷 | 2026-9 |
| 2007/2008 | 1.528 | 吨/公顷 | 2026-9 |
| 2006/2007 | 1.561 | 吨/公顷 | 2026-9 |
| 2005/2006 | 1.758 | 吨/公顷 | 2026-9 |
| 2004/2005 | 1.975 | 吨/公顷 | 2026-9 |
| 2003/2004 | 1.73 | 吨/公顷 | 2026-9 |
| 2002/2003 | 1.886 | 吨/公顷 | 2026-9 |
| 2001/2002 | 1.996 | 吨/公顷 | 2026-9 |
| 2000/2001 | 1.832 | 吨/公顷 | 2026-9 |
| 1999/2000 | 1.434 | 吨/公顷 | 2026-9 |
| 1998/1999 | 1.417 | 吨/公顷 | 2026-9 |
| 1997/1998 | 1.92 | 吨/公顷 | 2026-9 |
| 1996/1997 | 1.515 | 吨/公顷 | 2026-9 |
| 1995/1996 | 1.993 | 吨/公顷 | 2026-9 |
| 1994/1995 | 2.297 | 吨/公顷 | 2026-9 |
| 1993/1994 | 2.9 | 吨/公顷 | 2026-9 |
| 1992/1993 | 2.517 | 吨/公顷 | 2026-9 |
| 1991/1992 | 1.901 | 吨/公顷 | 2026-9 |
| 1990/1991 | 2.648 | 吨/公顷 | 2026-9 |
| 1989/1990 | 2.526 | 吨/公顷 | 2026-9 |
| 1988/1989 | 2.077 | 吨/公顷 | 2026-9 |
| 1987/1988 | 2.539 | 吨/公顷 | 2026-9 |