| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 35 | 千公顷 | 2026-9 |
| 2025/2026 | 30 | 千公顷 | 2026-9 |
| 2024/2025 | 90 | 千公顷 | 2026-9 |
| 2023/2024 | 95 | 千公顷 | 2026-9 |
| 2022/2023 | 50 | 千公顷 | 2026-9 |
| 2021/2022 | 91 | 千公顷 | 2026-9 |
| 2020/2021 | 163 | 千公顷 | 2026-9 |
| 2019/2020 | 95 | 千公顷 | 2026-9 |
| 2018/2019 | 55 | 千公顷 | 2026-9 |
| 2017/2018 | 58 | 千公顷 | 2026-9 |
| 2016/2017 | 110 | 千公顷 | 2026-9 |
| 2015/2016 | 117 | 千公顷 | 2026-9 |
| 2014/2015 | 100 | 千公顷 | 2026-9 |
| 2013/2014 | 78 | 千公顷 | 2026-9 |
| 2012/2013 | 153 | 千公顷 | 2026-9 |
| 2011/2012 | 156 | 千公顷 | 2026-9 |
| 2010/2011 | 85 | 千公顷 | 2026-9 |
| 2009/2010 | 102 | 千公顷 | 2026-9 |
| 2008/2009 | 142 | 千公顷 | 2026-9 |
| 2007/2008 | 92 | 千公顷 | 2026-9 |
| 2006/2007 | 114 | 千公顷 | 2026-9 |
| 2005/2006 | 120 | 千公顷 | 2026-9 |
| 2004/2005 | 376 | 千公顷 | 2026-9 |
| 2003/2004 | 258 | 千公顷 | 2026-9 |
| 2002/2003 | 106 | 千公顷 | 2026-9 |
| 2001/2002 | 251 | 千公顷 | 2026-9 |
| 2000/2001 | 367 | 千公顷 | 2026-9 |
| 1999/2000 | 525 | 千公顷 | 2026-9 |
| 1998/1999 | 200 | 千公顷 | 2026-9 |
| 1997/1998 | 200 | 千公顷 | 2026-9 |
| 1996/1997 | 129 | 千公顷 | 2026-9 |
| 1995/1996 | 158 | 千公顷 | 2026-9 |
| 1994/1995 | 176 | 千公顷 | 2026-9 |
| 1993/1994 | 197 | 千公顷 | 2026-9 |
| 1992/1993 | 207 | 千公顷 | 2026-9 |
| 1991/1992 | 188 | 千公顷 | 2026-9 |
| 1990/1991 | 205 | 千公顷 | 2026-9 |
| 1989/1990 | 241 | 千公顷 | 2026-9 |
| 1988/1989 | 277 | 千公顷 | 2026-9 |
| 1987/1988 | 352 | 千公顷 | 2026-9 |