| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 105 | 千公顷 | 2026-9 |
| 2025/2026 | 105 | 千公顷 | 2026-9 |
| 2024/2025 | 100 | 千公顷 | 2026-9 |
| 2023/2024 | 95 | 千公顷 | 2026-9 |
| 2022/2023 | 91 | 千公顷 | 2026-9 |
| 2021/2022 | 109 | 千公顷 | 2026-9 |
| 2020/2021 | 84 | 千公顷 | 2026-9 |
| 2019/2020 | 55 | 千公顷 | 2026-9 |
| 2018/2019 | 65 | 千公顷 | 2026-9 |
| 2017/2018 | 38 | 千公顷 | 2026-9 |
| 2016/2017 | 37 | 千公顷 | 2026-9 |
| 2015/2016 | 38 | 千公顷 | 2026-9 |
| 2014/2015 | 35 | 千公顷 | 2026-9 |
| 2013/2014 | 31 | 千公顷 | 2026-9 |
| 2012/2013 | 32 | 千公顷 | 2026-9 |
| 2011/2012 | 19 | 千公顷 | 2026-9 |
| 2010/2011 | 11 | 千公顷 | 2026-9 |
| 2009/2010 | 6 | 千公顷 | 2026-9 |
| 2008/2009 | 8 | 千公顷 | 2026-9 |
| 2007/2008 | 6 | 千公顷 | 2026-9 |
| 2006/2007 | 6 | 千公顷 | 2026-9 |
| 2005/2006 | 3 | 千公顷 | 2026-9 |
| 2004/2005 | 3 | 千公顷 | 2026-9 |