| 年度 | 数值 | 单位 | 发布日期 |
| 2025/2026 | 45000 | 吨 | 2026-9 |
| 2024/2025 | 42000 | 吨 | 2026-9 |
| 2023/2024 | 41200 | 吨 | 2026-9 |
| 2022/2023 | 41600 | 吨 | 2026-9 |
| 2021/2022 | 49500 | 吨 | 2026-9 |
| 2020/2021 | 46900 | 吨 | 2026-9 |
| 2019/2020 | 41900 | 吨 | 2026-9 |
| 2018/2019 | 43400 | 吨 | 2026-9 |
| 2017/2018 | 46800 | 吨 | 2026-9 |
| 2016/2017 | 43100 | 吨 | 2026-9 |
| 2015/2016 | 37300 | 吨 | 2026-9 |
| 2014/2015 | 38000 | 吨 | 2026-9 |
| 2013/2014 | 29000 | 吨 | 2026-9 |
| 2012/2013 | 27700 | 吨 | 2026-9 |
| 2011/2012 | 29500 | 吨 | 2026-9 |
| 2010/2011 | 30000 | 吨 | 2026-9 |
| 2009/2010 | 29900 | 吨 | 2026-9 |
| 2008/2009 | 22700 | 吨 | 2026-9 |
| 2007/2008 | 24600 | 吨 | 2026-9 |
| 2006/2007 | 27100 | 吨 | 2026-9 |
| 2005/2006 | 43000 | 吨 | 2026-9 |
| 2004/2005 | 23200 | 吨 | 2026-9 |
| 2003/2004 | 25900 | 吨 | 2026-9 |
| 2002/2003 | 25100 | 吨 | 2026-9 |
| 2001/2002 | 23800 | 吨 | 2026-9 |