| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 18000 | 千吨 | 2026-9 |
| 2025/2026 | 18000 | 千吨 | 2026-9 |
| 2024/2025 | 17000 | 千吨 | 2026-9 |
| 2023/2024 | 16000 | 千吨 | 2026-9 |
| 2022/2023 | 18000 | 千吨 | 2026-9 |
| 2021/2022 | 17500 | 千吨 | 2026-9 |
| 2020/2021 | 19000 | 千吨 | 2026-9 |
| 2019/2020 | 17000 | 千吨 | 2026-9 |
| 2018/2019 | 18000 | 千吨 | 2026-9 |
| 2017/2018 | 20000 | 千吨 | 2026-9 |
| 2016/2017 | 17000 | 千吨 | 2026-9 |
| 2015/2016 | 14000 | 千吨 | 2026-9 |
| 2014/2015 | 13000 | 千吨 | 2026-9 |
| 2013/2014 | 12500 | 千吨 | 2026-9 |
| 2012/2013 | 11900 | 千吨 | 2026-9 |
| 2011/2012 | 15500 | 千吨 | 2026-9 |
| 2010/2011 | 16000 | 千吨 | 2026-9 |
| 2009/2010 | 16800 | 千吨 | 2026-9 |
| 2008/2009 | 16200 | 千吨 | 2026-9 |
| 2007/2008 | 15332 | 千吨 | 2026-9 |
| 2006/2007 | 14100 | 千吨 | 2026-9 |
| 2005/2006 | 14900 | 千吨 | 2026-9 |
| 2004/2005 | 13600 | 千吨 | 2026-9 |
| 2003/2004 | 12500 | 千吨 | 2026-9 |
| 2002/2003 | 15000 | 千吨 | 2026-9 |
| 2001/2002 | 13000 | 千吨 | 2026-9 |
| 2000/2001 | 11500 | 千吨 | 2026-9 |
| 1999/2000 | 11800 | 千吨 | 2026-9 |
| 1998/1999 | 11150 | 千吨 | 2026-9 |
| 1997/1998 | 16397 | 千吨 | 2026-9 |
| 1996/1997 | 14360 | 千吨 | 2026-9 |
| 1995/1996 | 17969 | 千吨 | 2026-9 |
| 1994/1995 | 20446 | 千吨 | 2026-9 |
| 1993/1994 | 26045 | 千吨 | 2026-9 |
| 1992/1993 | 32617 | 千吨 | 2026-9 |
| 1991/1992 | 29723 | 千吨 | 2026-9 |
| 1990/1991 | 32960 | 千吨 | 2026-9 |
| 1989/1990 | 27960 | 千吨 | 2026-9 |
| 1988/1989 | 24790 | 千吨 | 2026-9 |
| 1987/1988 | 26581 | 千吨 | 2026-9 |