| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 2.955 | 吨/公顷 | 2026-9 |
| 2025/2026 | 3.031 | 吨/公顷 | 2026-9 |
| 2024/2025 | 2.462 | 吨/公顷 | 2026-9 |
| 2023/2024 | 2.68 | 吨/公顷 | 2026-9 |
| 2022/2023 | 2.774 | 吨/公顷 | 2026-9 |
| 2021/2022 | 2.277 | 吨/公顷 | 2026-9 |
| 2020/2021 | 2.528 | 吨/公顷 | 2026-9 |
| 2019/2020 | 2.373 | 吨/公顷 | 2026-9 |
| 2018/2019 | 2.15 | 吨/公顷 | 2026-9 |
| 2017/2018 | 2.62 | 吨/公顷 | 2026-9 |
| 2016/2017 | 2.206 | 吨/公顷 | 2026-9 |
| 2015/2016 | 2.124 | 吨/公顷 | 2026-9 |
| 2014/2015 | 2.275 | 吨/公顷 | 2026-9 |
| 2013/2014 | 1.918 | 吨/公顷 | 2026-9 |
| 2012/2013 | 1.828 | 吨/公顷 | 2026-9 |
| 2011/2012 | 2.201 | 吨/公顷 | 2026-9 |
| 2010/2011 | 1.68 | 吨/公顷 | 2026-9 |
| 2009/2010 | 2.316 | 吨/公顷 | 2026-9 |
| 2008/2009 | 2.452 | 吨/公顷 | 2026-9 |
| 2007/2008 | 1.874 | 吨/公顷 | 2026-9 |
| 2006/2007 | 1.891 | 吨/公顷 | 2026-9 |
| 2005/2006 | 1.815 | 吨/公顷 | 2026-9 |
| 2004/2005 | 1.795 | 吨/公顷 | 2026-9 |
| 2003/2004 | 1.946 | 吨/公顷 | 2026-9 |
| 2002/2003 | 1.975 | 吨/公顷 | 2026-9 |
| 2001/2002 | 2.012 | 吨/公顷 | 2026-9 |
| 2000/2001 | 1.664 | 吨/公顷 | 2026-9 |
| 1999/2000 | 1.423 | 吨/公顷 | 2026-9 |
| 1998/1999 | 1.378 | 吨/公顷 | 2026-9 |
| 1997/1998 | 1.753 | 吨/公顷 | 2026-9 |
| 1996/1997 | 1.512 | 吨/公顷 | 2026-9 |
| 1995/1996 | 1.261 | 吨/公顷 | 2026-9 |
| 1994/1995 | 1.714 | 吨/公顷 | 2026-9 |
| 1993/1994 | 1.804 | 吨/公顷 | 2026-9 |
| 1992/1993 | 1.921 | 吨/公顷 | 2026-9 |
| 1991/1992 | 1.516 | 吨/公顷 | 2026-9 |
| 1990/1991 | 2.062 | 吨/公顷 | 2026-9 |
| 1989/1990 | 1.514 | 吨/公顷 | 2026-9 |
| 1988/1989 | 1.224 | 吨/公顷 | 2026-9 |
| 1987/1988 | 1.57 | 吨/公顷 | 2026-9 |