| 年度 | 数值 | 单位 | 发布日期 |
| 2026/2027 | 9500 | 千吨 | 2026-9 |
| 2025/2026 | 8800 | 千吨 | 2026-9 |
| 2024/2025 | 8500 | 千吨 | 2026-9 |
| 2023/2024 | 5900 | 千吨 | 2026-9 |
| 2022/2023 | 7800 | 千吨 | 2026-9 |
| 2021/2022 | 9500 | 千吨 | 2026-9 |
| 2020/2021 | 8700 | 千吨 | 2026-9 |
| 2019/2020 | 8300 | 千吨 | 2026-9 |
| 2018/2019 | 8800 | 千吨 | 2026-9 |
| 2017/2018 | 9800 | 千吨 | 2026-9 |
| 2016/2017 | 10300 | 千吨 | 2026-9 |
| 2015/2016 | 12200 | 千吨 | 2026-9 |
| 2014/2015 | 11500 | 千吨 | 2026-9 |
| 2013/2014 | 11500 | 千吨 | 2026-9 |
| 2012/2013 | 11400 | 千吨 | 2026-9 |
| 2011/2012 | 14950 | 千吨 | 2026-9 |
| 2010/2011 | 11600 | 千吨 | 2026-9 |
| 2009/2010 | 12300 | 千吨 | 2026-9 |
| 2008/2009 | 11900 | 千吨 | 2026-9 |
| 2007/2008 | 12300 | 千吨 | 2026-9 |
| 2006/2007 | 11700 | 千吨 | 2026-9 |
| 2005/2006 | 12500 | 千吨 | 2026-9 |
| 2004/2005 | 11700 | 千吨 | 2026-9 |
| 2003/2004 | 9025 | 千吨 | 2026-9 |
| 2002/2003 | 14500 | 千吨 | 2026-9 |
| 2001/2002 | 13450 | 千吨 | 2026-9 |
| 2000/2001 | 12155 | 千吨 | 2026-9 |
| 1999/2000 | 12186 | 千吨 | 2026-9 |
| 1998/1999 | 12419 | 千吨 | 2026-9 |
| 1997/1998 | 15643 | 千吨 | 2026-9 |
| 1996/1997 | 15515 | 千吨 | 2026-9 |
| 1995/1996 | 15413 | 千吨 | 2026-9 |
| 1994/1995 | 15557 | 千吨 | 2026-9 |
| 1993/1994 | 19455 | 千吨 | 2026-9 |
| 1992/1993 | 21820 | 千吨 | 2026-9 |
| 1991/1992 | 22969 | 千吨 | 2026-9 |
| 1990/1991 | 27980 | 千吨 | 2026-9 |
| 1989/1990 | 24692 | 千吨 | 2026-9 |
| 1988/1989 | 21303 | 千吨 | 2026-9 |
| 1987/1988 | 21329 | 千吨 | 2026-9 |