| 年度 | 数值 | 单位 | 发布日期 |
| 2025/2026 | 48000 | 吨 | 2026-9 |
| 2024/2025 | 48000 | 吨 | 2026-9 |
| 2023/2024 | 48000 | 吨 | 2026-9 |
| 2022/2023 | 49800 | 吨 | 2026-9 |
| 2021/2022 | 49800 | 吨 | 2026-9 |
| 2020/2021 | 47000 | 吨 | 2026-9 |
| 2019/2020 | 37000 | 吨 | 2026-9 |
| 2018/2019 | 42300 | 吨 | 2026-9 |
| 2017/2018 | 47400 | 吨 | 2026-9 |
| 2016/2017 | 45700 | 吨 | 2026-9 |
| 2015/2016 | 37700 | 吨 | 2026-9 |
| 2014/2015 | 55500 | 吨 | 2026-9 |
| 2013/2014 | 52800 | 吨 | 2026-9 |
| 2012/2013 | 45600 | 吨 | 2026-9 |
| 2011/2012 | 50300 | 吨 | 2026-9 |
| 2010/2011 | 73400 | 吨 | 2026-9 |
| 2009/2010 | 52226 | 吨 | 2026-9 |
| 2008/2009 | 58775 | 吨 | 2026-9 |
| 2007/2008 | 51266 | 吨 | 2026-9 |
| 2006/2007 | 66874 | 吨 | 2026-9 |
| 2005/2006 | 61285 | 吨 | 2026-9 |
| 2004/2005 | 77342 | 吨 | 2026-9 |
| 2003/2004 | 66744 | 吨 | 2026-9 |
| 2002/2003 | 73837 | 吨 | 2026-9 |
| 2001/2002 | 45794 | 吨 | 2026-9 |