| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2025/2026 | 30000 | 吨 | 2026-9 |
| 2024/2025 | 28400 | 吨 | 2026-9 |
| 2023/2024 | 23600 | 吨 | 2026-9 |
| 2022/2023 | 20200 | 吨 | 2026-9 |
| 2021/2022 | 14700 | 吨 | 2026-9 |
| 2020/2021 | 18800 | 吨 | 2026-9 |
| 2019/2020 | 10900 | 吨 | 2026-9 |
| 2018/2019 | 10100 | 吨 | 2026-9 |
| 2017/2018 | 8900 | 吨 | 2026-9 |
| 2016/2017 | 5500 | 吨 | 2026-9 |
| 2015/2016 | 3000 | 吨 | 2026-9 |
| 2014/2015 | 1100 | 吨 | 2026-9 |
| 2013/2014 | 2200 | 吨 | 2026-9 |
| 2012/2013 | 2100 | 吨 | 2026-9 |
| 2011/2012 | 1200 | 吨 | 2026-9 |
| 2010/2011 | 2200 | 吨 | 2026-9 |
| 2009/2010 | 500 | 吨 | 2026-9 |
| 2008/2009 | 1800 | 吨 | 2026-9 |
| 2007/2008 | 0 | 吨 | 2026-9 |
| 2006/2007 | 300 | 吨 | 2026-9 |
| 2005/2006 | 0 | 吨 | 2026-9 |
| 2004/2005 | 200 | 吨 | 2026-9 |
| 2003/2004 | 300 | 吨 | 2026-9 |
| 2002/2003 | 400 | 吨 | 2026-9 |
| 2001/2002 | 200 | 吨 | 2026-9 |