| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 5.845 | 吨/公顷 | 2026-9 |
| 2025/2026 | 6.23 | 吨/公顷 | 2026-9 |
| 2024/2025 | 6.005 | 吨/公顷 | 2026-9 |
| 2023/2024 | 5.741 | 吨/公顷 | 2026-9 |
| 2022/2023 | 5.426 | 吨/公顷 | 2026-9 |
| 2021/2022 | 5.78 | 吨/公顷 | 2026-9 |
| 2020/2021 | 5.827 | 吨/公顷 | 2026-9 |
| 2019/2020 | 5.759 | 吨/公顷 | 2026-9 |
| 2018/2019 | 5.767 | 吨/公顷 | 2026-9 |
| 2017/2018 | 5.312 | 吨/公顷 | 2026-9 |
| 2016/2017 | 5.304 | 吨/公顷 | 2026-9 |
| 2015/2016 | 5.583 | 吨/公顷 | 2026-9 |
| 2014/2015 | 5.352 | 吨/公顷 | 2026-9 |
| 2013/2014 | 4.973 | 吨/公顷 | 2026-9 |
| 2012/2013 | 5.479 | 吨/公顷 | 2026-9 |
| 2011/2012 | 5.097 | 吨/公顷 | 2026-9 |
| 2010/2011 | 5.284 | 吨/公顷 | 2026-9 |
| 2009/2010 | 5.13 | 吨/公顷 | 2026-9 |
| 2008/2009 | 4.584 | 吨/公顷 | 2026-9 |
| 2007/2008 | 4.51 | 吨/公顷 | 2026-9 |
| 2006/2007 | 4.391 | 吨/公顷 | 2026-9 |
| 2005/2006 | 4.175 | 吨/公顷 | 2026-9 |
| 2004/2005 | 3.768 | 吨/公顷 | 2026-9 |
| 2003/2004 | 3.154 | 吨/公顷 | 2026-9 |
| 2002/2003 | 3.773 | 吨/公顷 | 2026-9 |
| 2001/2002 | 3.5 | 吨/公顷 | 2026-9 |
| 2000/2001 | 3.488 | 吨/公顷 | 2026-9 |
| 1999/2000 | 2.747 | 吨/公顷 | 2026-9 |
| 1998/1999 | 3.029 | 吨/公顷 | 2026-9 |
| 1997/1998 | 2.343 | 吨/公顷 | 2026-9 |
| 1996/1997 | 2.478 | 吨/公顷 | 2026-9 |
| 1995/1996 | 2.888 | 吨/公顷 | 2026-9 |
| 1994/1995 | 2.955 | 吨/公顷 | 2026-9 |
| 1993/1994 | 2.741 | 吨/公顷 | 2026-9 |
| 1992/1993 | 3.032 | 吨/公顷 | 2026-9 |
| 1991/1992 | 3.004 | 吨/公顷 | 2026-9 |
| 1990/1991 | 3.208 | 吨/公顷 | 2026-9 |
| 1989/1990 | 3.276 | 吨/公顷 | 2026-9 |
| 1988/1989 | 3.745 | 吨/公顷 | 2026-9 |
| 1987/1988 | 3.503 | 吨/公顷 | 2026-9 |