| 年度 | 数值 | 单位 | 发布时间 |
| 2026/2027 | 31800 | 千吨 | 2026-9 |
| 2025/2026 | 30900 | 千吨 | 2026-9 |
| 2024/2025 | 26800 | 千吨 | 2026-9 |
| 2023/2024 | 32500 | 千吨 | 2026-9 |
| 2022/2023 | 27000 | 千吨 | 2026-9 |
| 2021/2022 | 42126 | 千吨 | 2026-9 |
| 2020/2021 | 30297 | 千吨 | 2026-9 |
| 2019/2020 | 35887 | 千吨 | 2026-9 |
| 2018/2019 | 35805 | 千吨 | 2026-9 |
| 2017/2018 | 24115 | 千吨 | 2026-9 |
| 2016/2017 | 27969 | 千吨 | 2026-9 |
| 2015/2016 | 23333 | 千吨 | 2026-9 |
| 2014/2015 | 28450 | 千吨 | 2026-9 |
| 2013/2014 | 30900 | 千吨 | 2026-9 |
| 2012/2013 | 20922 | 千吨 | 2026-9 |
| 2011/2012 | 22838 | 千吨 | 2026-9 |
| 2010/2011 | 11919 | 千吨 | 2026-9 |
| 2009/2010 | 10486 | 千吨 | 2026-9 |
| 2008/2009 | 11447 | 千吨 | 2026-9 |
| 2007/2008 | 7421 | 千吨 | 2026-9 |
| 2006/2007 | 6426 | 千吨 | 2026-9 |
| 2005/2006 | 7167 | 千吨 | 2026-9 |
| 2004/2005 | 8867 | 千吨 | 2026-9 |
| 2003/2004 | 6875 | 千吨 | 2026-9 |
| 2002/2003 | 4180 | 千吨 | 2026-9 |
| 2001/2002 | 3641 | 千吨 | 2026-9 |
| 2000/2001 | 3848 | 千吨 | 2026-9 |
| 1999/2000 | 1737 | 千吨 | 2026-9 |
| 1998/1999 | 2301 | 千吨 | 2026-9 |
| 1997/1998 | 5340 | 千吨 | 2026-9 |
| 1996/1997 | 1840 | 千吨 | 2026-9 |
| 1995/1996 | 3392 | 千吨 | 2026-9 |
| 1994/1995 | 1537 | 千吨 | 2026-9 |
| 1993/1994 | 3786 | 千吨 | 2026-9 |
| 1992/1993 | 2851 | 千吨 | 2026-9 |
| 1991/1992 | 4747 | 千吨 | 2026-9 |
| 1990/1991 | 4737 | 千吨 | 2026-9 |
| 1989/1990 | 7026 | 千吨 | 2026-9 |
| 1988/1989 | 8638 | 千吨 | 2026-9 |
| 1987/1988 | 8308 | 千吨 | 2026-9 |