| 年度 | 数值 | 单位 | 发布日期 |
| 2025/2026 | 31500 | 吨 | 2026-9 |
| 2024/2025 | 31000 | 吨 | 2026-9 |
| 2023/2024 | 17500 | 吨 | 2026-9 |
| 2022/2023 | 16920 | 吨 | 2026-9 |
| 2021/2022 | 19250 | 吨 | 2026-9 |
| 2020/2021 | 26920 | 吨 | 2026-9 |
| 2019/2020 | 30800 | 吨 | 2026-9 |
| 2018/2019 | 40000 | 吨 | 2026-9 |
| 2017/2018 | 43800 | 吨 | 2026-9 |
| 2016/2017 | 44500 | 吨 | 2026-9 |
| 2015/2016 | 46000 | 吨 | 2026-9 |
| 2014/2015 | 50000 | 吨 | 2026-9 |
| 2013/2014 | 55000 | 吨 | 2026-9 |
| 2012/2013 | 45000 | 吨 | 2026-9 |
| 2011/2012 | 40000 | 吨 | 2026-9 |
| 2010/2011 | 13850 | 吨 | 2026-9 |
| 2009/2010 | 15500 | 吨 | 2026-9 |
| 2008/2009 | 14000 | 吨 | 2026-9 |
| 2007/2008 | 18000 | 吨 | 2026-9 |
| 2006/2007 | 11000 | 吨 | 2026-9 |
| 2005/2006 | 3000 | 吨 | 2026-9 |
| 2004/2005 | 2000 | 吨 | 2026-9 |
| 2003/2004 | 1800 | 吨 | 2026-9 |
| 2002/2003 | 1500 | 吨 | 2026-9 |
| 2001/2002 | 1500 | 吨 | 2026-9 |
| 2000/2001 | 600 | 吨 | 2026-9 |