| 年度 | 数值 | 单位 | 发布日期 |
| 2026/2027 | 300 | 千吨 | 2026-9 |
| 2025/2026 | 290 | 千吨 | 2026-9 |
| 2024/2025 | 287 | 千吨 | 2026-9 |
| 2023/2024 | 312 | 千吨 | 2026-9 |
| 2022/2023 | 339 | 千吨 | 2026-9 |
| 2021/2022 | 320 | 千吨 | 2026-9 |
| 2020/2021 | 369 | 千吨 | 2026-9 |
| 2019/2020 | 396 | 千吨 | 2026-9 |
| 2018/2019 | 347 | 千吨 | 2026-9 |
| 2017/2018 | 390 | 千吨 | 2026-9 |
| 2016/2017 | 474 | 千吨 | 2026-9 |
| 2015/2016 | 463 | 千吨 | 2026-9 |
| 2014/2015 | 457 | 千吨 | 2026-9 |
| 2013/2014 | 416 | 千吨 | 2026-9 |
| 2012/2013 | 384 | 千吨 | 2026-9 |
| 2011/2012 | 370 | 千吨 | 2026-9 |
| 2010/2011 | 338 | 千吨 | 2026-9 |
| 2009/2010 | 271 | 千吨 | 2026-9 |
| 2008/2009 | 455 | 千吨 | 2026-9 |
| 2007/2008 | 443 | 千吨 | 2026-9 |
| 2006/2007 | 510 | 千吨 | 2026-9 |
| 2005/2006 | 548 | 千吨 | 2026-9 |
| 2004/2005 | 581 | 千吨 | 2026-9 |
| 2003/2004 | 587 | 千吨 | 2026-9 |
| 2002/2003 | 542 | 千吨 | 2026-9 |
| 2001/2002 | 628 | 千吨 | 2026-9 |
| 2000/2001 | 555 | 千吨 | 2026-9 |
| 1999/2000 | 426 | 千吨 | 2026-9 |
| 1998/1999 | 649 | 千吨 | 2026-9 |
| 1997/1998 | 560 | 千吨 | 2026-9 |
| 1996/1997 | 645 | 千吨 | 2026-9 |
| 1995/1996 | 560 | 千吨 | 2026-9 |
| 1994/1995 | 508 | 千吨 | 2026-9 |
| 1993/1994 | 590 | 千吨 | 2026-9 |
| 1992/1993 | 621 | 千吨 | 2026-9 |
| 1991/1992 | 590 | 千吨 | 2026-9 |
| 1990/1991 | 621 | 千吨 | 2026-9 |
| 1989/1990 | 589 | 千吨 | 2026-9 |
| 1988/1989 | 690 | 千吨 | 2026-9 |
| 1987/1988 | 689 | 千吨 | 2026-9 |
| 1986/1987 | 687 | 千吨 | 2026-9 |
| 1985/1986 | 622 | 千吨 | 2026-9 |
| 1984/1985 | 576 | 千吨 | 2026-9 |
| 1983/1984 | 593 | 千吨 | 2026-9 |
| 1982/1983 | 635 | 千吨 | 2026-9 |
| 1981/1982 | 563 | 千吨 | 2026-9 |
| 1980/1981 | 517 | 千吨 | 2026-9 |
| 1979/1980 | 679 | 千吨 | 2026-9 |
| 1978/1979 | 656 | 千吨 | 2026-9 |
| 1977/1978 | 665 | 千吨 | 2026-9 |
| 1976/1977 | 674 | 千吨 | 2026-9 |
| 1975/1976 | 503 | 千吨 | 2026-9 |
| 1974/1975 | 661 | 千吨 | 2026-9 |
| 1973/1974 | 724 | 千吨 | 2026-9 |
| 1972/1973 | 606 | 千吨 | 2026-9 |
| 1971/1972 | 638 | 千吨 | 2026-9 |
| 1970/1971 | 605 | 千吨 | 2026-9 |
| 1969/1970 | 575 | 千吨 | 2026-9 |
| 1968/1969 | 596 | 千吨 | 2026-9 |
| 1967/1968 | 596 | 千吨 | 2026-9 |
| 1966/1967 | 576 | 千吨 | 2026-9 |
| 1965/1966 | 580 | 千吨 | 2026-9 |
| 1964/1965 | 589 | 千吨 | 2026-9 |
| 1963/1964 | 590 | 千吨 | 2026-9 |
| 1962/1963 | 668 | 千吨 | 2026-9 |
| 1961/1962 | 514 | 千吨 | 2026-9 |
| 1960/1961 | 513 | 千吨 | 2026-9 |