| 年度 | 数值 | 单位 | 发布日期 |
| 2025/2026 | 7500 | 吨 | 2026-9 |
| 2024/2025 | 7200 | 吨 | 2026-9 |
| 2023/2024 | 7600 | 吨 | 2026-9 |
| 2022/2023 | 8700 | 吨 | 2026-9 |
| 2021/2022 | 7700 | 吨 | 2026-9 |
| 2020/2021 | 7600 | 吨 | 2026-9 |
| 2019/2020 | 8400 | 吨 | 2026-9 |
| 2018/2019 | 8800 | 吨 | 2026-9 |
| 2017/2018 | 9800 | 吨 | 2026-9 |
| 2016/2017 | 11300 | 吨 | 2026-9 |
| 2015/2016 | 7900 | 吨 | 2026-9 |
| 2014/2015 | 11600 | 吨 | 2026-9 |
| 2013/2014 | 10600 | 吨 | 2026-9 |
| 2012/2013 | 11500 | 吨 | 2026-9 |
| 2011/2012 | 11700 | 吨 | 2026-9 |
| 2010/2011 | 11000 | 吨 | 2026-9 |
| 2009/2010 | 12400 | 吨 | 2026-9 |
| 2008/2009 | 13200 | 吨 | 2026-9 |
| 2007/2008 | 12800 | 吨 | 2026-9 |
| 2006/2007 | 12400 | 吨 | 2026-9 |
| 2005/2006 | 12400 | 吨 | 2026-9 |
| 2004/2005 | 12400 | 吨 | 2026-9 |
| 2003/2004 | 12400 | 吨 | 2026-9 |
| 2002/2003 | 12400 | 吨 | 2026-9 |
| 2001/2002 | 12400 | 吨 | 2026-9 |
| 1998/1999 | 0 | 吨 | 2026-9 |
| 1997/1998 | 0 | 吨 | 2026-9 |
| 1996/1997 | 12000 | 吨 | 2026-9 |
| 1995/1996 | 12400 | 吨 | 2026-9 |
| 1994/1995 | 12900 | 吨 | 2026-9 |
| 1993/1994 | 13700 | 吨 | 2026-9 |
| 1992/1993 | 13700 | 吨 | 2026-9 |
| 1991/1992 | 13500 | 吨 | 2026-9 |
| 1990/1991 | 13900 | 吨 | 2026-9 |
| 1989/1990 | 13600 | 吨 | 2026-9 |
| 1988/1989 | 14500 | 吨 | 2026-9 |
| 1987/1988 | 14100 | 吨 | 2026-9 |
| 1986/1987 | 14400 | 吨 | 2026-9 |
| 1985/1986 | 14000 | 吨 | 2026-9 |
| 1984/1985 | 14200 | 吨 | 2026-9 |
| 1983/1984 | 0 | 吨 | 2026-9 |
| 1982/1983 | 13400 | 吨 | 2026-9 |