| 年度 | 数值 | 单位 | 发布日期 |
| 2025/2026 | 353000 | 吨 | 2026-9 |
| 2024/2025 | 346000 | 吨 | 2026-9 |
| 2023/2024 | 375000 | 吨 | 2026-9 |
| 2022/2023 | 350000 | 吨 | 2026-9 |
| 2021/2022 | 349000 | 吨 | 2026-9 |
| 2020/2021 | 356000 | 吨 | 2026-9 |
| 2019/2020 | 270000 | 吨 | 2026-9 |
| 2018/2019 | 269000 | 吨 | 2026-9 |
| 2017/2018 | 238000 | 吨 | 2026-9 |
| 2016/2017 | 263000 | 吨 | 2026-9 |
| 2015/2016 | 287000 | 吨 | 2026-9 |
| 2014/2015 | 268000 | 吨 | 2026-9 |
| 2013/2014 | 295000 | 吨 | 2026-9 |
| 2012/2013 | 320000 | 吨 | 2026-9 |
| 2011/2012 | 342000 | 吨 | 2026-9 |
| 2010/2011 | 316000 | 吨 | 2026-9 |
| 2009/2010 | 313000 | 吨 | 2026-9 |
| 2008/2009 | 546000 | 吨 | 2026-9 |
| 2007/2008 | 662000 | 吨 | 2026-9 |
| 2006/2007 | 770000 | 吨 | 2026-9 |
| 2005/2006 | 873000 | 吨 | 2026-9 |
| 2004/2005 | 767000 | 吨 | 2026-9 |
| 2003/2004 | 626000 | 吨 | 2026-9 |
| 2002/2003 | 536000 | 吨 | 2026-9 |
| 2001/2002 | 576000 | 吨 | 2026-9 |