| 年度 | 数值 | 单位 | 发布日期 |
| 2025/2026 | 45000 | 吨 | 2026-9 |
| 2024/2025 | 41900 | 吨 | 2026-9 |
| 2023/2024 | 35800 | 吨 | 2026-9 |
| 2022/2023 | 32900 | 吨 | 2026-9 |
| 2021/2022 | 31600 | 吨 | 2026-9 |
| 2020/2021 | 29400 | 吨 | 2026-9 |
| 2019/2020 | 34700 | 吨 | 2026-9 |
| 2018/2019 | 29400 | 吨 | 2026-9 |
| 2017/2018 | 31900 | 吨 | 2026-9 |
| 2016/2017 | 36100 | 吨 | 2026-9 |
| 2015/2016 | 40600 | 吨 | 2026-9 |
| 2014/2015 | 41600 | 吨 | 2026-9 |
| 2013/2014 | 36300 | 吨 | 2026-9 |
| 2012/2013 | 32700 | 吨 | 2026-9 |
| 2011/2012 | 19800 | 吨 | 2026-9 |
| 2010/2011 | 21900 | 吨 | 2026-9 |
| 2009/2010 | 22100 | 吨 | 2026-9 |
| 2008/2009 | 17600 | 吨 | 2026-9 |
| 2007/2008 | 13800 | 吨 | 2026-9 |
| 2006/2007 | 12200 | 吨 | 2026-9 |
| 2005/2006 | 11100 | 吨 | 2026-9 |
| 2004/2005 | 9700 | 吨 | 2026-9 |
| 2003/2004 | 8200 | 吨 | 2026-9 |
| 2002/2003 | 8800 | 吨 | 2026-9 |
| 2001/2002 | 6600 | 吨 | 2026-9 |