| 年度 | 数值 | 单位 | 发布日期 |
| 2025/2026 | 0 | 吨 | 2026-9 |
| 2024/2025 | 0 | 吨 | 2026-9 |
| 2023/2024 | 0 | 吨 | 2026-9 |
| 2022/2023 | 0 | 吨 | 2026-9 |
| 2021/2022 | 0 | 吨 | 2026-9 |
| 2020/2021 | 40500 | 吨 | 2026-9 |
| 2019/2020 | 47000 | 吨 | 2026-9 |
| 2018/2019 | 42000 | 吨 | 2026-9 |
| 2017/2018 | 32851 | 吨 | 2026-9 |
| 2016/2017 | 42200 | 吨 | 2026-9 |
| 2015/2016 | 15000 | 吨 | 2026-9 |
| 2014/2015 | 16000 | 吨 | 2026-9 |
| 2013/2014 | 15500 | 吨 | 2026-9 |
| 2012/2013 | 13200 | 吨 | 2026-9 |
| 2011/2012 | 11000 | 吨 | 2026-9 |
| 2010/2011 | 5000 | 吨 | 2026-9 |
| 2009/2010 | 7000 | 吨 | 2026-9 |
| 2008/2009 | 4000 | 吨 | 2026-9 |
| 2007/2008 | 4000 | 吨 | 2026-9 |
| 2006/2007 | 0 | 吨 | 2026-9 |
| 2005/2006 | 7400 | 吨 | 2026-9 |
| 2004/2005 | 7000 | 吨 | 2026-9 |
| 2003/2004 | 8700 | 吨 | 2026-9 |
| 2002/2003 | 32900 | 吨 | 2026-9 |
| 2001/2002 | 7200 | 吨 | 2026-9 |
| 2000/2001 | 5165 | 吨 | 2026-9 |
| 1999/2000 | 950 | 吨 | 2026-9 |
| 1998/1999 | 1250 | 吨 | 2026-9 |
| 1997/1998 | 9430 | 吨 | 2026-9 |
| 1996/1997 | 6570 | 吨 | 2026-9 |
| 1995/1996 | 2730 | 吨 | 2026-9 |
| 1994/1995 | 70 | 吨 | 2026-9 |