| 年度 | 数值 | 单位 | 发布日期 |
| 2026/2027 | 462 | 千吨 | 2026-9 |
| 2025/2026 | 515 | 千吨 | 2026-9 |
| 2024/2025 | 638 | 千吨 | 2026-9 |
| 2023/2024 | 685 | 千吨 | 2026-9 |
| 2022/2023 | 704 | 千吨 | 2026-9 |
| 2021/2022 | 602 | 千吨 | 2026-9 |
| 2020/2021 | 637 | 千吨 | 2026-9 |
| 2019/2020 | 649 | 千吨 | 2026-9 |
| 2018/2019 | 760 | 千吨 | 2026-9 |
| 2017/2018 | 638 | 千吨 | 2026-9 |
| 2016/2017 | 608 | 千吨 | 2026-9 |
| 2015/2016 | 472 | 千吨 | 2026-9 |
| 2014/2015 | 391 | 千吨 | 2026-9 |
| 2013/2014 | 797 | 千吨 | 2026-9 |
| 2012/2013 | 810 | 千吨 | 2026-9 |
| 2011/2012 | 689 | 千吨 | 2026-9 |
| 2010/2011 | 634 | 千吨 | 2026-9 |
| 2009/2010 | 571 | 千吨 | 2026-9 |
| 2008/2009 | 594 | 千吨 | 2026-9 |
| 2007/2008 | 629 | 千吨 | 2026-9 |
| 2006/2007 | 421 | 千吨 | 2026-9 |
| 2005/2006 | 357 | 千吨 | 2026-9 |
| 2004/2005 | 411 | 千吨 | 2026-9 |
| 2003/2004 | 353 | 千吨 | 2026-9 |
| 2002/2003 | 210 | 千吨 | 2026-9 |
| 2001/2002 | 72 | 千吨 | 2026-9 |
| 2000/2001 | 170 | 千吨 | 2026-9 |
| 1999/2000 | 140 | 千吨 | 2026-9 |
| 1998/1999 | 105 | 千吨 | 2026-9 |
| 1997/1998 | 100 | 千吨 | 2026-9 |
| 1996/1997 | 90 | 千吨 | 2026-9 |
| 1995/1996 | 77 | 千吨 | 2026-9 |
| 1994/1995 | 65 | 千吨 | 2026-9 |
| 1993/1994 | 113 | 千吨 | 2026-9 |
| 1992/1993 | 48 | 千吨 | 2026-9 |
| 1991/1992 | 43 | 千吨 | 2026-9 |
| 1990/1991 | 18 | 千吨 | 2026-9 |
| 1989/1990 | 19 | 千吨 | 2026-9 |
| 1988/1989 | 117 | 千吨 | 2026-9 |
| 1987/1988 | 62 | 千吨 | 2026-9 |
| 1986/1987 | 47 | 千吨 | 2026-9 |