| 年度 | 数值 | 单位 | 发布日期 |
| 2026/2027 | 118 | 千吨 | 2026-9 |
| 2025/2026 | 94 | 千吨 | 2026-9 |
| 2024/2025 | 95 | 千吨 | 2026-9 |
| 2023/2024 | 121 | 千吨 | 2026-9 |
| 2022/2023 | 72 | 千吨 | 2026-9 |
| 2021/2022 | 88 | 千吨 | 2026-9 |
| 2020/2021 | 83 | 千吨 | 2026-9 |
| 2019/2020 | 82 | 千吨 | 2026-9 |
| 2018/2019 | 92 | 千吨 | 2026-9 |
| 2017/2018 | 73 | 千吨 | 2026-9 |
| 2016/2017 | 136 | 千吨 | 2026-9 |
| 2015/2016 | 160 | 千吨 | 2026-9 |
| 2014/2015 | 170 | 千吨 | 2026-9 |
| 2013/2014 | 278 | 千吨 | 2026-9 |
| 2012/2013 | 310 | 千吨 | 2026-9 |
| 2011/2012 | 357 | 千吨 | 2026-9 |
| 2010/2011 | 366 | 千吨 | 2026-9 |
| 2009/2010 | 393 | 千吨 | 2026-9 |
| 2008/2009 | 306 | 千吨 | 2026-9 |
| 2007/2008 | 320 | 千吨 | 2026-9 |
| 2006/2007 | 414 | 千吨 | 2026-9 |
| 2005/2006 | 525 | 千吨 | 2026-9 |
| 2004/2005 | 375 | 千吨 | 2026-9 |
| 2003/2004 | 220 | 千吨 | 2026-9 |
| 2002/2003 | 228 | 千吨 | 2026-9 |
| 2001/2002 | 56 | 千吨 | 2026-9 |
| 2000/2001 | 88 | 千吨 | 2026-9 |
| 1999/2000 | 88 | 千吨 | 2026-9 |
| 1998/1999 | 88 | 千吨 | 2026-9 |
| 1997/1998 | 88 | 千吨 | 2026-9 |
| 1996/1997 | 94 | 千吨 | 2026-9 |
| 1995/1996 | 579 | 千吨 | 2026-9 |
| 1994/1995 | 485 | 千吨 | 2026-9 |
| 1993/1994 | 437 | 千吨 | 2026-9 |
| 1992/1993 | 371 | 千吨 | 2026-9 |
| 1991/1992 | 386 | 千吨 | 2026-9 |
| 1990/1991 | 357 | 千吨 | 2026-9 |
| 1989/1990 | 239 | 千吨 | 2026-9 |
| 1988/1989 | 303 | 千吨 | 2026-9 |
| 1987/1988 | 300 | 千吨 | 2026-9 |