| 年度 | 数值 | 单位 | 发布日期 |
| 2025/2026 | 9500 | 吨 | 2026-9 |
| 2024/2025 | 9000 | 吨 | 2026-9 |
| 2023/2024 | 10300 | 吨 | 2026-9 |
| 2022/2023 | 9800 | 吨 | 2026-9 |
| 2021/2022 | 14100 | 吨 | 2026-9 |
| 2020/2021 | 13300 | 吨 | 2026-9 |
| 2019/2020 | 19900 | 吨 | 2026-9 |
| 2018/2019 | 17500 | 吨 | 2026-9 |
| 2017/2018 | 19000 | 吨 | 2026-9 |
| 2016/2017 | 16900 | 吨 | 2026-9 |
| 2015/2016 | 18600 | 吨 | 2026-9 |
| 2014/2015 | 18100 | 吨 | 2026-9 |
| 2013/2014 | 20500 | 吨 | 2026-9 |
| 2012/2013 | 24500 | 吨 | 2026-9 |
| 2011/2012 | 17900 | 吨 | 2026-9 |
| 2010/2011 | 32500 | 吨 | 2026-9 |
| 2009/2010 | 30732 | 吨 | 2026-9 |
| 2008/2009 | 25249 | 吨 | 2026-9 |
| 2007/2008 | 30000 | 吨 | 2026-9 |
| 2006/2007 | 32500 | 吨 | 2026-9 |
| 2005/2006 | 28574 | 吨 | 2026-9 |
| 2004/2005 | 29500 | 吨 | 2026-9 |
| 2003/2004 | 42533 | 吨 | 2026-9 |
| 2002/2003 | 25153 | 吨 | 2026-9 |
| 2001/2002 | 29628 | 吨 | 2026-9 |
| 2000/2001 | 24103 | 吨 | 2026-9 |
| 1999/2000 | 23815 | 吨 | 2026-9 |
| 1998/1999 | 22508 | 吨 | 2026-9 |
| 1997/1998 | 43414 | 吨 | 2026-9 |
| 1996/1997 | 26184 | 吨 | 2026-9 |
| 1995/1996 | 21662 | 吨 | 2026-9 |
| 1994/1995 | 21504 | 吨 | 2026-9 |
| 1993/1994 | 13678 | 吨 | 2026-9 |
| 1992/1993 | 11178 | 吨 | 2026-9 |
| 1991/1992 | 6975 | 吨 | 2026-9 |
| 1990/1991 | 14284 | 吨 | 2026-9 |
| 1989/1990 | 5532 | 吨 | 2026-9 |
| 1988/1989 | 10993 | 吨 | 2026-9 |
| 1987/1988 | 22659 | 吨 | 2026-9 |
| 1986/1987 | 1621 | 吨 | 2026-9 |
| 1985/1986 | 34951 | 吨 | 2026-9 |
| 1984/1985 | 54853 | 吨 | 2026-9 |
| 1983/1984 | 73400 | 吨 | 2026-9 |