| 年度 | 数值 | 单位 | 发布时间 |
|---|
| 2026/2027 | 2.889 | 吨/公顷 | 2026-9 |
| 2025/2026 | 2.541 | 吨/公顷 | 2026-9 |
| 2024/2025 | 1.622 | 吨/公顷 | 2026-9 |
| 2023/2024 | 2.799 | 吨/公顷 | 2026-9 |
| 2022/2023 | 1.737 | 吨/公顷 | 2026-9 |
| 2021/2022 | 5.745 | 吨/公顷 | 2026-9 |
| 2020/2021 | 1.865 | 吨/公顷 | 2026-9 |
| 2019/2020 | 4.327 | 吨/公顷 | 2026-9 |
| 2018/2019 | 4.239 | 吨/公顷 | 2026-9 |
| 2017/2018 | 3.694 | 吨/公顷 | 2026-9 |
| 2016/2017 | 2.987 | 吨/公顷 | 2026-9 |
| 2015/2016 | 2.203 | 吨/公顷 | 2026-9 |
| 2014/2015 | 3.346 | 吨/公顷 | 2026-9 |
| 2013/2014 | 3.098 | 吨/公顷 | 2026-9 |
| 2012/2013 | 1.163 | 吨/公顷 | 2026-9 |
| 2011/2012 | 3.219 | 吨/公顷 | 2026-9 |
| 2010/2011 | 3.414 | 吨/公顷 | 2026-9 |
| 2009/2010 | 2.838 | 吨/公顷 | 2026-9 |
| 2008/2009 | 3.456 | 吨/公顷 | 2026-9 |
| 2007/2008 | 0.779 | 吨/公顷 | 2026-9 |
| 2006/2007 | 2.88 | 吨/公顷 | 2026-9 |
| 2005/2006 | 3.272 | 吨/公顷 | 2026-9 |
| 2004/2005 | 3.074 | 吨/公顷 | 2026-9 |
| 2003/2004 | 2.552 | 吨/公顷 | 2026-9 |
| 2002/2003 | 2.671 | 吨/公顷 | 2026-9 |
| 2001/2002 | 2.374 | 吨/公顷 | 2026-9 |
| 2000/2001 | 2.452 | 吨/公顷 | 2026-9 |
| 1999/2000 | 2.211 | 吨/公顷 | 2026-9 |
| 1998/1999 | 3.529 | 吨/公顷 | 2026-9 |
| 1997/1998 | 4.14 | 吨/公顷 | 2026-9 |
| 1996/1997 | 2.76 | 吨/公顷 | 2026-9 |
| 1995/1996 | 2.76 | 吨/公顷 | 2026-9 |
| 1994/1995 | 2.223 | 吨/公顷 | 2026-9 |
| 1993/1994 | 3.86 | 吨/公顷 | 2026-9 |
| 1992/1993 | 2.452 | 吨/公顷 | 2026-9 |
| 1991/1992 | 4.842 | 吨/公顷 | 2026-9 |
| 1990/1991 | 3.43 | 吨/公顷 | 2026-9 |
| 1989/1990 | 5.019 | 吨/公顷 | 2026-9 |
| 1988/1989 | 4.373 | 吨/公顷 | 2026-9 |
| 1987/1988 | 3.456 | 吨/公顷 | 2026-9 |