| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 2.237 | 吨/公顷 | 2026-9 |
| 2025/2026 | 2.439 | 吨/公顷 | 2026-9 |
| 2024/2025 | 2.069 | 吨/公顷 | 2026-9 |
| 2023/2024 | 2.152 | 吨/公顷 | 2026-9 |
| 2022/2023 | 2.273 | 吨/公顷 | 2026-9 |
| 2021/2022 | 1.73 | 吨/公顷 | 2026-9 |
| 2020/2021 | 2.439 | 吨/公顷 | 2026-9 |
| 2019/2020 | 1.73 | 吨/公顷 | 2026-9 |
| 2018/2019 | 2 | 吨/公顷 | 2026-9 |
| 2017/2018 | 2.169 | 吨/公顷 | 2026-9 |
| 2016/2017 | 2.029 | 吨/公顷 | 2026-9 |
| 2015/2016 | 1.669 | 吨/公顷 | 2026-9 |
| 2014/2015 | 1.77 | 吨/公顷 | 2026-9 |
| 2013/2014 | 1.891 | 吨/公顷 | 2026-9 |
| 2012/2013 | 1.5 | 吨/公顷 | 2026-9 |
| 2011/2012 | 1.949 | 吨/公顷 | 2026-9 |
| 2010/2011 | 1.19 | 吨/公顷 | 2026-9 |
| 2009/2010 | 2.073 | 吨/公顷 | 2026-9 |
| 2008/2009 | 2.105 | 吨/公顷 | 2026-9 |
| 2007/2008 | 1.916 | 吨/公顷 | 2026-9 |
| 2006/2007 | 1.71 | 吨/公顷 | 2026-9 |
| 2005/2006 | 1.568 | 吨/公顷 | 2026-9 |
| 2004/2005 | 1.54 | 吨/公顷 | 2026-9 |
| 2003/2004 | 1.86 | 吨/公顷 | 2026-9 |
| 2002/2003 | 1.899 | 吨/公顷 | 2026-9 |
| 2001/2002 | 1.879 | 吨/公顷 | 2026-9 |
| 2000/2001 | 1.578 | 吨/公顷 | 2026-9 |
| 1999/2000 | 1.471 | 吨/公顷 | 2026-9 |
| 1998/1999 | 1.021 | 吨/公顷 | 2026-9 |
| 1997/1998 | 1.922 | 吨/公顷 | 2026-9 |
| 1996/1997 | 1.489 | 吨/公顷 | 2026-9 |
| 1995/1996 | 1.318 | 吨/公顷 | 2026-9 |
| 1994/1995 | 1.558 | 吨/公顷 | 2026-9 |
| 1993/1994 | 1.581 | 吨/公顷 | 2026-9 |
| 1992/1993 | 1.849 | 吨/公顷 | 2026-9 |
| 1991/1992 | 1.65 | 吨/公顷 | 2026-9 |
| 1990/1991 | 2.101 | 吨/公顷 | 2026-9 |
| 1989/1990 | 1.536 | 吨/公顷 | 2026-9 |
| 1988/1989 | 1.629 | 吨/公顷 | 2026-9 |
| 1987/1988 | 1.51 | 吨/公顷 | 2026-9 |