| 年度 | 数值 | 单位 | 发布时间 |
|---|
| 2026/2027 | 2.733 | 吨/公顷 | 2026-9 |
| 2025/2026 | 2.8 | 吨/公顷 | 2026-9 |
| 2024/2025 | 2.667 | 吨/公顷 | 2026-9 |
| 2023/2024 | 2.616 | 吨/公顷 | 2026-9 |
| 2022/2023 | 2.068 | 吨/公顷 | 2026-9 |
| 2021/2022 | 3.066 | 吨/公顷 | 2026-9 |
| 2020/2021 | 3.148 | 吨/公顷 | 2026-9 |
| 2019/2020 | 2.836 | 吨/公顷 | 2026-9 |
| 2018/2019 | 2.732 | 吨/公顷 | 2026-9 |
| 2017/2018 | 1.81 | 吨/公顷 | 2026-9 |
| 2016/2017 | 2.624 | 吨/公顷 | 2026-9 |
| 2015/2016 | 1.713 | 吨/公顷 | 2026-9 |
| 2014/2015 | 2.336 | 吨/公顷 | 2026-9 |
| 2013/2014 | 2.476 | 吨/公顷 | 2026-9 |
| 2012/2013 | 2.45 | 吨/公顷 | 2026-9 |
| 2011/2012 | 2.288 | 吨/公顷 | 2026-9 |
| 2010/2011 | 1.41 | 吨/公顷 | 2026-9 |
| 2009/2010 | 2.339 | 吨/公顷 | 2026-9 |
| 2008/2009 | 2.326 | 吨/公顷 | 2026-9 |
| 2007/2008 | 2.341 | 吨/公顷 | 2026-9 |
| 2006/2007 | 1.846 | 吨/公顷 | 2026-9 |
| 2005/2006 | 2.154 | 吨/公顷 | 2026-9 |
| 2004/2005 | 2 | 吨/公顷 | 2026-9 |
| 2003/2004 | 2.25 | 吨/公顷 | 2026-9 |
| 2002/2003 | 2 | 吨/公顷 | 2026-9 |
| 2001/2002 | 1.5 | 吨/公顷 | 2026-9 |
| 2000/2001 | 1.517 | 吨/公顷 | 2026-9 |
| 1999/2000 | 2.232 | 吨/公顷 | 2026-9 |
| 1998/1999 | 2.059 | 吨/公顷 | 2026-9 |
| 1997/1998 | 2.69 | 吨/公顷 | 2026-9 |
| 1996/1997 | 2.182 | 吨/公顷 | 2026-9 |
| 1995/1996 | 2.608 | 吨/公顷 | 2026-9 |
| 1994/1995 | 2.486 | 吨/公顷 | 2026-9 |
| 1993/1994 | 2.17 | 吨/公顷 | 2026-9 |
| 1992/1993 | 2.316 | 吨/公顷 | 2026-9 |
| 1991/1992 | 2.104 | 吨/公顷 | 2026-9 |
| 1990/1991 | 2.523 | 吨/公顷 | 2026-9 |
| 1989/1990 | 2.624 | 吨/公顷 | 2026-9 |
| 1988/1989 | 2.973 | 吨/公顷 | 2026-9 |
| 1987/1988 | 2.973 | 吨/公顷 | 2026-9 |