| 年度 | 数值 | 单位 | 发布日期 |
| 2026/2027 | 501 | 千吨 | 2026-9 |
| 2025/2026 | 422 | 千吨 | 2026-9 |
| 2024/2025 | 323 | 千吨 | 2026-9 |
| 2023/2024 | 669 | 千吨 | 2026-9 |
| 2022/2023 | 719 | 千吨 | 2026-9 |
| 2021/2022 | 521 | 千吨 | 2026-9 |
| 2020/2021 | 292 | 千吨 | 2026-9 |
| 2019/2020 | 542 | 千吨 | 2026-9 |
| 2018/2019 | 426 | 千吨 | 2026-9 |
| 2017/2018 | 275 | 千吨 | 2026-9 |
| 2016/2017 | 183 | 千吨 | 2026-9 |
| 2015/2016 | 260 | 千吨 | 2026-9 |
| 2014/2015 | 365 | 千吨 | 2026-9 |
| 2013/2014 | 151 | 千吨 | 2026-9 |
| 2012/2013 | 288 | 千吨 | 2026-9 |
| 2011/2012 | 320 | 千吨 | 2026-9 |
| 2010/2011 | 295 | 千吨 | 2026-9 |
| 2009/2010 | 195 | 千吨 | 2026-9 |
| 2008/2009 | 87 | 千吨 | 2026-9 |
| 2007/2008 | 297 | 千吨 | 2026-9 |
| 2006/2007 | 485 | 千吨 | 2026-9 |
| 2005/2006 | 490 | 千吨 | 2026-9 |
| 2004/2005 | 486 | 千吨 | 2026-9 |
| 2003/2004 | 511 | 千吨 | 2026-9 |
| 2002/2003 | 414 | 千吨 | 2026-9 |
| 2001/2002 | 327 | 千吨 | 2026-9 |
| 2000/2001 | 408 | 千吨 | 2026-9 |
| 1999/2000 | 545 | 千吨 | 2026-9 |
| 1998/1999 | 503 | 千吨 | 2026-9 |
| 1997/1998 | 697 | 千吨 | 2026-9 |
| 1996/1997 | 595 | 千吨 | 2026-9 |
| 1995/1996 | 826 | 千吨 | 2026-9 |
| 1994/1995 | 695 | 千吨 | 2026-9 |
| 1993/1994 | 718 | 千吨 | 2026-9 |
| 1992/1993 | 710 | 千吨 | 2026-9 |
| 1991/1992 | 461 | 千吨 | 2026-9 |
| 1990/1991 | 156 | 千吨 | 2026-9 |
| 1989/1990 | 200 | 千吨 | 2026-9 |
| 1988/1989 | 210 | 千吨 | 2026-9 |
| 1987/1988 | 155 | 千吨 | 2026-9 |
| 1986/1987 | 160 | 千吨 | 2026-9 |
| 1985/1986 | 137 | 千吨 | 2026-9 |
| 1984/1985 | 119 | 千吨 | 2026-9 |
| 1983/1984 | 59 | 千吨 | 2026-9 |
| 1982/1983 | 67 | 千吨 | 2026-9 |
| 1981/1982 | 67 | 千吨 | 2026-9 |
| 1980/1981 | 42 | 千吨 | 2026-9 |
| 1979/1980 | 4 | 千吨 | 2026-9 |
| 1978/1979 | 16 | 千吨 | 2026-9 |
| 1977/1978 | 11 | 千吨 | 2026-9 |
| 1976/1977 | 0 | 千吨 | 2026-9 |