| 年度 | 数值 | 单位 | 发布日期 |
| 2026/2027 | 28100 | 千吨 | 2026-9 |
| 2025/2026 | 24904 | 千吨 | 2026-9 |
| 2024/2025 | 24977 | 千吨 | 2026-9 |
| 2023/2024 | 25983 | 千吨 | 2026-9 |
| 2022/2023 | 27848 | 千吨 | 2026-9 |
| 2021/2022 | 34609 | 千吨 | 2026-9 |
| 2020/2021 | 27056 | 千吨 | 2026-9 |
| 2019/2020 | 30820 | 千吨 | 2026-9 |
| 2018/2019 | 26374 | 千吨 | 2026-9 |
| 2017/2018 | 28813 | 千吨 | 2026-9 |
| 2016/2017 | 30180 | 千吨 | 2026-9 |
| 2015/2016 | 32979 | 千吨 | 2026-9 |
| 2014/2015 | 28447 | 千吨 | 2026-9 |
| 2013/2014 | 24925 | 千吨 | 2026-9 |
| 2012/2013 | 21169 | 千吨 | 2026-9 |
| 2011/2012 | 25749 | 千吨 | 2026-9 |
| 2010/2011 | 19243 | 千吨 | 2026-9 |
| 2009/2010 | 23995 | 千吨 | 2026-9 |
| 2008/2009 | 28038 | 千吨 | 2026-9 |
| 2007/2008 | 15616 | 千吨 | 2026-9 |
| 2006/2007 | 16410 | 千吨 | 2026-9 |
| 2005/2006 | 21343 | 千吨 | 2026-9 |
| 2004/2005 | 18679 | 千吨 | 2026-9 |
| 2003/2004 | 10216 | 千吨 | 2026-9 |
| 2002/2003 | 24321 | 千吨 | 2026-9 |
| 2001/2002 | 21891 | 千吨 | 2026-9 |
| 2000/2001 | 12683 | 千吨 | 2026-9 |
| 1999/2000 | 15938 | 千吨 | 2026-9 |
| 1998/1999 | 19015 | 千吨 | 2026-9 |
| 1997/1998 | 21007 | 千吨 | 2026-9 |
| 1996/1997 | 19300 | 千吨 | 2026-9 |
| 1995/1996 | 22456 | 千吨 | 2026-9 |
| 1994/1995 | 21697 | 千吨 | 2026-9 |
| 1993/1994 | 27555 | 千吨 | 2026-9 |
| 1992/1993 | 27566 | 千吨 | 2026-9 |
| 1991/1992 | 29769 | 千吨 | 2026-9 |
| 1990/1991 | 37494 | 千吨 | 2026-9 |
| 1989/1990 | 33902 | 千吨 | 2026-9 |
| 1988/1989 | 29060 | 千吨 | 2026-9 |
| 1987/1988 | 28655 | 千吨 | 2026-9 |