| 年度 | 数值 | 单位 | 发布日期 |
| 2026/2027 | 23200 | 千吨 | 2026-9 |
| 2025/2026 | 23200 | 千吨 | 2026-9 |
| 2024/2025 | 23000 | 千吨 | 2026-9 |
| 2023/2024 | 23000 | 千吨 | 2026-9 |
| 2022/2023 | 23000 | 千吨 | 2026-9 |
| 2021/2022 | 23250 | 千吨 | 2026-9 |
| 2020/2021 | 23500 | 千吨 | 2026-9 |
| 2019/2020 | 23000 | 千吨 | 2026-9 |
| 2018/2019 | 22500 | 千吨 | 2026-9 |
| 2017/2018 | 23000 | 千吨 | 2026-9 |
| 2016/2017 | 23000 | 千吨 | 2026-9 |
| 2015/2016 | 23000 | 千吨 | 2026-9 |
| 2014/2015 | 22500 | 千吨 | 2026-9 |
| 2013/2014 | 21600 | 千吨 | 2026-9 |
| 2012/2013 | 21650 | 千吨 | 2026-9 |
| 2011/2012 | 22500 | 千吨 | 2026-9 |
| 2010/2011 | 22600 | 千吨 | 2026-9 |
| 2009/2010 | 22800 | 千吨 | 2026-9 |
| 2008/2009 | 22700 | 千吨 | 2026-9 |
| 2007/2008 | 22650 | 千吨 | 2026-9 |
| 2006/2007 | 22300 | 千吨 | 2026-9 |
| 2005/2006 | 23500 | 千吨 | 2026-9 |
| 2004/2005 | 23800 | 千吨 | 2026-9 |
| 2003/2004 | 23000 | 千吨 | 2026-9 |
| 2002/2003 | 23320 | 千吨 | 2026-9 |
| 2001/2002 | 24078 | 千吨 | 2026-9 |
| 2000/2001 | 23658 | 千吨 | 2026-9 |
| 1999/2000 | 23565 | 千吨 | 2026-9 |
| 1998/1999 | 23688 | 千吨 | 2026-9 |
| 1997/1998 | 23412 | 千吨 | 2026-9 |
| 1996/1997 | 23774 | 千吨 | 2026-9 |
| 1995/1996 | 21841 | 千吨 | 2026-9 |
| 1994/1995 | 22427 | 千吨 | 2026-9 |
| 1993/1994 | 22900 | 千吨 | 2026-9 |
| 1992/1993 | 24000 | 千吨 | 2026-9 |
| 1991/1992 | 24100 | 千吨 | 2026-9 |
| 1990/1991 | 24300 | 千吨 | 2026-9 |
| 1989/1990 | 24000 | 千吨 | 2026-9 |
| 1988/1989 | 24050 | 千吨 | 2026-9 |
| 1987/1988 | 24400 | 千吨 | 2026-9 |