| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 1.222 | 吨/公顷 | 2026-9 |
| 2025/2026 | 1.566 | 吨/公顷 | 2026-9 |
| 2024/2025 | 1.71 | 吨/公顷 | 2026-9 |
| 2023/2024 | 0.785 | 吨/公顷 | 2026-9 |
| 2022/2023 | 1.157 | 吨/公顷 | 2026-9 |
| 2021/2022 | 0.901 | 吨/公顷 | 2026-9 |
| 2020/2021 | 1.048 | 吨/公顷 | 2026-9 |
| 2019/2020 | 1.099 | 吨/公顷 | 2026-9 |
| 2018/2019 | 1.43 | 吨/公顷 | 2026-9 |
| 2017/2018 | 1.338 | 吨/公顷 | 2026-9 |
| 2016/2017 | 1.595 | 吨/公顷 | 2026-9 |
| 2015/2016 | 1.196 | 吨/公顷 | 2026-9 |
| 2014/2015 | 1.177 | 吨/公顷 | 2026-9 |
| 2013/2014 | 1.386 | 吨/公顷 | 2026-9 |
| 2012/2013 | 1.333 | 吨/公顷 | 2026-9 |
| 2011/2012 | 1.804 | 吨/公顷 | 2026-9 |
| 2010/2011 | 0.822 | 吨/公顷 | 2026-9 |
| 2009/2010 | 1.369 | 吨/公顷 | 2026-9 |
| 2008/2009 | 0.945 | 吨/公顷 | 2026-9 |
| 2007/2008 | 1.353 | 吨/公顷 | 2026-9 |
| 2006/2007 | 1.173 | 吨/公顷 | 2026-9 |
| 2005/2006 | 1.177 | 吨/公顷 | 2026-9 |
| 2004/2005 | 0.765 | 吨/公顷 | 2026-9 |
| 2003/2004 | 1.062 | 吨/公顷 | 2026-9 |
| 2002/2003 | 1.271 | 吨/公顷 | 2026-9 |
| 2001/2002 | 1.202 | 吨/公顷 | 2026-9 |
| 2000/2001 | 0.423 | 吨/公顷 | 2026-9 |
| 1999/2000 | 1.439 | 吨/公顷 | 2026-9 |
| 1998/1999 | 0.5 | 吨/公顷 | 2026-9 |
| 1997/1998 | 0.769 | 吨/公顷 | 2026-9 |
| 1996/1997 | 0.794 | 吨/公顷 | 2026-9 |
| 1995/1996 | 0.508 | 吨/公顷 | 2026-9 |
| 1994/1995 | 1.274 | 吨/公顷 | 2026-9 |
| 1993/1994 | 1.461 | 吨/公顷 | 2026-9 |
| 1992/1993 | 1.594 | 吨/公顷 | 2026-9 |
| 1991/1992 | 0.451 | 吨/公顷 | 2026-9 |
| 1990/1991 | 1.597 | 吨/公顷 | 2026-9 |
| 1989/1990 | 0.615 | 吨/公顷 | 2026-9 |
| 1988/1989 | 0.986 | 吨/公顷 | 2026-9 |
| 1987/1988 | 0.95 | 吨/公顷 | 2026-9 |