| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 2.1 | 吨/公顷 | 2026-9 |
| 2025/2026 | 1.927 | 吨/公顷 | 2026-9 |
| 2024/2025 | 2.605 | 吨/公顷 | 2026-9 |
| 2023/2024 | 1.559 | 吨/公顷 | 2026-9 |
| 2022/2023 | 2.269 | 吨/公顷 | 2026-9 |
| 2021/2022 | 1.229 | 吨/公顷 | 2026-9 |
| 2020/2021 | 2.339 | 吨/公顷 | 2026-9 |
| 2019/2020 | 2.273 | 吨/公顷 | 2026-9 |
| 2018/2019 | 2.234 | 吨/公顷 | 2026-9 |
| 2017/2018 | 2.197 | 吨/公顷 | 2026-9 |
| 2016/2017 | 2.243 | 吨/公顷 | 2026-9 |
| 2015/2016 | 2.126 | 吨/公顷 | 2026-9 |
| 2014/2015 | 1.271 | 吨/公顷 | 2026-9 |
| 2013/2014 | 2.109 | 吨/公顷 | 2026-9 |
| 2012/2013 | 1.449 | 吨/公顷 | 2026-9 |
| 2011/2012 | 1.902 | 吨/公顷 | 2026-9 |
| 2010/2011 | 1.902 | 吨/公顷 | 2026-9 |
| 2009/2010 | 2.339 | 吨/公顷 | 2026-9 |
| 2008/2009 | 1.587 | 吨/公顷 | 2026-9 |
| 2007/2008 | 1.802 | 吨/公顷 | 2026-9 |
| 2006/2007 | 1.99 | 吨/公顷 | 2026-9 |
| 2005/2006 | 2 | 吨/公顷 | 2026-9 |
| 2004/2005 | 2.35 | 吨/公顷 | 2026-9 |
| 2003/2004 | 2.222 | 吨/公顷 | 2026-9 |
| 2002/2003 | 2.554 | 吨/公顷 | 2026-9 |
| 2001/2002 | 2.154 | 吨/公顷 | 2026-9 |
| 2000/2001 | 1.705 | 吨/公顷 | 2026-9 |
| 1999/2000 | 1.765 | 吨/公顷 | 2026-9 |
| 1998/1999 | 2 | 吨/公顷 | 2026-9 |
| 1997/1998 | 1.831 | 吨/公顷 | 2026-9 |
| 1996/1997 | 1.537 | 吨/公顷 | 2026-9 |
| 1995/1996 | 0.914 | 吨/公顷 | 2026-9 |
| 1994/1995 | 1.391 | 吨/公顷 | 2026-9 |
| 1993/1994 | 2.021 | 吨/公顷 | 2026-9 |
| 1992/1993 | 2.213 | 吨/公顷 | 2026-9 |
| 1991/1992 | 1.921 | 吨/公顷 | 2026-9 |
| 1990/1991 | 2.086 | 吨/公顷 | 2026-9 |
| 1989/1990 | 2.167 | 吨/公顷 | 2026-9 |
| 1988/1989 | 2.255 | 吨/公顷 | 2026-9 |
| 1987/1988 | 2.563 | 吨/公顷 | 2026-9 |