| 年度 | 数值 | 单位 | 发布日期 |
| 2025/2026 | 50000 | 吨 | 2026-9 |
| 2024/2025 | 50700 | 吨 | 2026-9 |
| 2023/2024 | 46700 | 吨 | 2026-9 |
| 2022/2023 | 45000 | 吨 | 2026-9 |
| 2021/2022 | 42000 | 吨 | 2026-9 |
| 2020/2021 | 44800 | 吨 | 2026-9 |
| 2019/2020 | 36900 | 吨 | 2026-9 |
| 2018/2019 | 37000 | 吨 | 2026-9 |
| 2017/2018 | 33200 | 吨 | 2026-9 |
| 2016/2017 | 30800 | 吨 | 2026-9 |
| 2015/2016 | 30100 | 吨 | 2026-9 |
| 2014/2015 | 28700 | 吨 | 2026-9 |
| 2013/2014 | 33400 | 吨 | 2026-9 |
| 2012/2013 | 33000 | 吨 | 2026-9 |
| 2011/2012 | 30800 | 吨 | 2026-9 |
| 2010/2011 | 27100 | 吨 | 2026-9 |
| 2009/2010 | 25371 | 吨 | 2026-9 |
| 2008/2009 | 25083 | 吨 | 2026-9 |
| 2007/2008 | 22346 | 吨 | 2026-9 |
| 2006/2007 | 22915 | 吨 | 2026-9 |
| 2005/2006 | 21069 | 吨 | 2026-9 |
| 2004/2005 | 21530 | 吨 | 2026-9 |
| 2003/2004 | 22011 | 吨 | 2026-9 |
| 2002/2003 | 24273 | 吨 | 2026-9 |
| 2001/2002 | 20900 | 吨 | 2026-9 |