| 年度 | 数值 | 单位 | 发布日期 |
| 2026/2027 | 685 | 千吨 | 2026-9 |
| 2025/2026 | 650 | 千吨 | 2026-9 |
| 2024/2025 | 670 | 千吨 | 2026-9 |
| 2023/2024 | 685 | 千吨 | 2026-9 |
| 2022/2023 | 680 | 千吨 | 2026-9 |
| 2021/2022 | 660 | 千吨 | 2026-9 |
| 2020/2021 | 615 | 千吨 | 2026-9 |
| 2019/2020 | 660 | 千吨 | 2026-9 |
| 2018/2019 | 665 | 千吨 | 2026-9 |
| 2017/2018 | 680 | 千吨 | 2026-9 |
| 2016/2017 | 680 | 千吨 | 2026-9 |
| 2015/2016 | 645 | 千吨 | 2026-9 |
| 2014/2015 | 530 | 千吨 | 2026-9 |
| 2013/2014 | 575 | 千吨 | 2026-9 |
| 2012/2013 | 530 | 千吨 | 2026-9 |
| 2011/2012 | 440 | 千吨 | 2026-9 |
| 2010/2011 | 424 | 千吨 | 2026-9 |
| 2009/2010 | 410 | 千吨 | 2026-9 |
| 2008/2009 | 397 | 千吨 | 2026-9 |
| 2007/2008 | 453 | 千吨 | 2026-9 |
| 2006/2007 | 445 | 千吨 | 2026-9 |
| 2005/2006 | 432 | 千吨 | 2026-9 |
| 2004/2005 | 419 | 千吨 | 2026-9 |
| 2003/2004 | 335 | 千吨 | 2026-9 |
| 2002/2003 | 347 | 千吨 | 2026-9 |
| 2001/2002 | 287 | 千吨 | 2026-9 |
| 2000/2001 | 220 | 千吨 | 2026-9 |
| 1999/2000 | 193 | 千吨 | 2026-9 |
| 1998/1999 | 164 | 千吨 | 2026-9 |
| 1997/1998 | 170 | 千吨 | 2026-9 |
| 1996/1997 | 175 | 千吨 | 2026-9 |
| 1995/1996 | 175 | 千吨 | 2026-9 |
| 1994/1995 | 55 | 千吨 | 2026-9 |
| 1993/1994 | 55 | 千吨 | 2026-9 |
| 1992/1993 | 45 | 千吨 | 2026-9 |
| 1991/1992 | 25 | 千吨 | 2026-9 |
| 1990/1991 | 123 | 千吨 | 2026-9 |
| 1989/1990 | 91 | 千吨 | 2026-9 |
| 1988/1989 | 137 | 千吨 | 2026-9 |
| 1987/1988 | 46 | 千吨 | 2026-9 |
| 1986/1987 | 42 | 千吨 | 2026-9 |
| 1985/1986 | 86 | 千吨 | 2026-9 |
| 1984/1985 | 65 | 千吨 | 2026-9 |
| 1983/1984 | 36 | 千吨 | 2026-9 |
| 1982/1983 | 35 | 千吨 | 2026-9 |
| 1981/1982 | 26 | 千吨 | 2026-9 |
| 1980/1981 | 2 | 千吨 | 2026-9 |
| 1979/1980 | 3 | 千吨 | 2026-9 |
| 1976/1977 | 4 | 千吨 | 2026-9 |
| 1975/1976 | 10 | 千吨 | 2026-9 |
| 1974/1975 | 5 | 千吨 | 2026-9 |