| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 8.378 | 吨/公顷 | 2026-9 |
| 2025/2026 | 6.16 | 吨/公顷 | 2026-9 |
| 2024/2025 | 8.37 | 吨/公顷 | 2026-9 |
| 2023/2024 | 8.452 | 吨/公顷 | 2026-9 |
| 2022/2023 | 7.826 | 吨/公顷 | 2026-9 |
| 2021/2022 | 6.816 | 吨/公顷 | 2026-9 |
| 2020/2021 | 6.255 | 吨/公顷 | 2026-9 |
| 2019/2020 | 4.846 | 吨/公顷 | 2026-9 |
| 2018/2019 | 5.286 | 吨/公顷 | 2026-9 |
| 2017/2018 | 5.563 | 吨/公顷 | 2026-9 |
| 2016/2017 | 6.278 | 吨/公顷 | 2026-9 |
| 2015/2016 | 6 | 吨/公顷 | 2026-9 |
| 2014/2015 | 7.245 | 吨/公顷 | 2026-9 |
| 2013/2014 | 7.556 | 吨/公顷 | 2026-9 |
| 2012/2013 | 3.467 | 吨/公顷 | 2026-9 |
| 2011/2012 | 3.467 | 吨/公顷 | 2026-9 |
| 2010/2011 | 3.41 | 吨/公顷 | 2026-9 |
| 2009/2010 | 3.66 | 吨/公顷 | 2026-9 |
| 2008/2009 | 3.171 | 吨/公顷 | 2026-9 |
| 2007/2008 | 3.636 | 吨/公顷 | 2026-9 |
| 2006/2007 | 3.607 | 吨/公顷 | 2026-9 |
| 2005/2006 | 3.192 | 吨/公顷 | 2026-9 |
| 2004/2005 | 2.727 | 吨/公顷 | 2026-9 |
| 2003/2004 | 2.76 | 吨/公顷 | 2026-9 |
| 2002/2003 | 2.734 | 吨/公顷 | 2026-9 |
| 2001/2002 | 1.7 | 吨/公顷 | 2026-9 |
| 2000/2001 | 2.764 | 吨/公顷 | 2026-9 |
| 1999/2000 | 2.403 | 吨/公顷 | 2026-9 |
| 1998/1999 | 2.201 | 吨/公顷 | 2026-9 |
| 1997/1998 | 1.87 | 吨/公顷 | 2026-9 |
| 1996/1997 | 2.469 | 吨/公顷 | 2026-9 |
| 1995/1996 | 1.909 | 吨/公顷 | 2026-9 |
| 1994/1995 | 2.734 | 吨/公顷 | 2026-9 |
| 1993/1994 | 2.964 | 吨/公顷 | 2026-9 |
| 1992/1993 | 2.955 | 吨/公顷 | 2026-9 |
| 1991/1992 | 3.224 | 吨/公顷 | 2026-9 |
| 1990/1991 | 3.724 | 吨/公顷 | 2026-9 |
| 1989/1990 | 3.012 | 吨/公顷 | 2026-9 |
| 1988/1989 | 3.506 | 吨/公顷 | 2026-9 |
| 1987/1988 | 3.265 | 吨/公顷 | 2026-9 |