| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 200 | 千公顷 | 2026-9 |
| 2025/2026 | 200 | 千公顷 | 2026-9 |
| 2024/2025 | 196 | 千公顷 | 2026-9 |
| 2023/2024 | 198 | 千公顷 | 2026-9 |
| 2022/2023 | 198 | 千公顷 | 2026-9 |
| 2021/2022 | 190 | 千公顷 | 2026-9 |
| 2020/2021 | 187 | 千公顷 | 2026-9 |
| 2019/2020 | 175 | 千公顷 | 2026-9 |
| 2018/2019 | 170 | 千公顷 | 2026-9 |
| 2017/2018 | 166 | 千公顷 | 2026-9 |
| 2016/2017 | 165 | 千公顷 | 2026-9 |
| 2015/2016 | 140 | 千公顷 | 2026-9 |
| 2014/2015 | 120 | 千公顷 | 2026-9 |
| 2013/2014 | 100 | 千公顷 | 2026-9 |
| 2012/2013 | 90 | 千公顷 | 2026-9 |
| 2011/2012 | 75 | 千公顷 | 2026-9 |
| 2010/2011 | 65 | 千公顷 | 2026-9 |
| 2009/2010 | 52 | 千公顷 | 2026-9 |
| 2008/2009 | 55 | 千公顷 | 2026-9 |
| 2007/2008 | 51 | 千公顷 | 2026-9 |
| 2006/2007 | 54 | 千公顷 | 2026-9 |
| 2005/2006 | 33 | 千公顷 | 2026-9 |
| 2004/2005 | 34 | 千公顷 | 2026-9 |
| 2003/2004 | 35 | 千公顷 | 2026-9 |
| 2002/2003 | 33 | 千公顷 | 2026-9 |
| 2001/2002 | 35 | 千公顷 | 2026-9 |
| 2000/2001 | 0 | 千公顷 | 2026-9 |
| 1999/2000 | 0 | 千公顷 | 2026-9 |
| 1998/1999 | 0 | 千公顷 | 2026-9 |
| 1997/1998 | 0 | 千公顷 | 2026-9 |
| 1996/1997 | 8 | 千公顷 | 2026-9 |
| 1995/1996 | 8 | 千公顷 | 2026-9 |
| 1994/1995 | 8 | 千公顷 | 2026-9 |
| 1993/1994 | 6 | 千公顷 | 2026-9 |
| 1992/1993 | 6 | 千公顷 | 2026-9 |
| 1991/1992 | 3 | 千公顷 | 2026-9 |
| 1990/1991 | 2 | 千公顷 | 2026-9 |
| 1989/1990 | 0 | 千公顷 | 2026-9 |
| 1988/1989 | 0 | 千公顷 | 2026-9 |
| 1987/1988 | 0 | 千公顷 | 2026-9 |