| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 5.188 | 吨/公顷 | 2026-9 |
| 2025/2026 | 5.208 | 吨/公顷 | 2026-9 |
| 2024/2025 | 5.255 | 吨/公顷 | 2026-9 |
| 2023/2024 | 4.85 | 吨/公顷 | 2026-9 |
| 2022/2023 | 4.898 | 吨/公顷 | 2026-9 |
| 2021/2022 | 5.206 | 吨/公顷 | 2026-9 |
| 2020/2021 | 5.461 | 吨/公顷 | 2026-9 |
| 2019/2020 | 5.51 | 吨/公顷 | 2026-9 |
| 2018/2019 | 4.782 | 吨/公顷 | 2026-9 |
| 2017/2018 | 4.657 | 吨/公顷 | 2026-9 |
| 2016/2017 | 4.766 | 吨/公顷 | 2026-9 |
| 2015/2016 | 4.263 | 吨/公顷 | 2026-9 |
| 2014/2015 | 3.968 | 吨/公顷 | 2026-9 |
| 2013/2014 | 3.876 | 吨/公顷 | 2026-9 |
| 2012/2013 | 3.774 | 吨/公顷 | 2026-9 |
| 2011/2012 | 3.72 | 吨/公顷 | 2026-9 |
| 2010/2011 | 3.957 | 吨/公顷 | 2026-9 |
| 2009/2010 | 3.54 | 吨/公顷 | 2026-9 |
| 2008/2009 | 3.355 | 吨/公顷 | 2026-9 |
| 2007/2008 | 3.379 | 吨/公顷 | 2026-9 |
| 2006/2007 | 3.284 | 吨/公顷 | 2026-9 |
| 2005/2006 | 3.353 | 吨/公顷 | 2026-9 |
| 2004/2005 | 3.395 | 吨/公顷 | 2026-9 |
| 2003/2004 | 3.238 | 吨/公顷 | 2026-9 |
| 2002/2003 | 3 | 吨/公顷 | 2026-9 |
| 2001/2002 | 2.87 | 吨/公顷 | 2026-9 |
| 2000/2001 | 2.972 | 吨/公顷 | 2026-9 |
| 1999/2000 | 2.817 | 吨/公顷 | 2026-9 |
| 1998/1999 | 3.219 | 吨/公顷 | 2026-9 |
| 1997/1998 | 3.072 | 吨/公顷 | 2026-9 |
| 1996/1997 | 2.598 | 吨/公顷 | 2026-9 |
| 1995/1996 | 1.947 | 吨/公顷 | 2026-9 |
| 1994/1995 | 2.775 | 吨/公顷 | 2026-9 |
| 1993/1994 | 3.598 | 吨/公顷 | 2026-9 |
| 1992/1993 | 3.868 | 吨/公顷 | 2026-9 |
| 1991/1992 | 4.424 | 吨/公顷 | 2026-9 |
| 1990/1991 | 4.661 | 吨/公顷 | 2026-9 |
| 1989/1990 | 4.173 | 吨/公顷 | 2026-9 |
| 1988/1989 | 4.637 | 吨/公顷 | 2026-9 |
| 1987/1988 | 4.556 | 吨/公顷 | 2026-9 |