| 年度 | 数值 | 单位 | 发布日期 |
| 2026/2027 | 6600 | 千吨 | 2026-9 |
| 2025/2026 | 5600 | 千吨 | 2026-9 |
| 2024/2025 | 5800 | 千吨 | 2026-9 |
| 2023/2024 | 6100 | 千吨 | 2026-9 |
| 2022/2023 | 6100 | 千吨 | 2026-9 |
| 2021/2022 | 9923 | 千吨 | 2026-9 |
| 2020/2021 | 7947 | 千吨 | 2026-9 |
| 2019/2020 | 9528 | 千吨 | 2026-9 |
| 2018/2019 | 7604 | 千吨 | 2026-9 |
| 2017/2018 | 8695 | 千吨 | 2026-9 |
| 2016/2017 | 9874 | 千吨 | 2026-9 |
| 2015/2016 | 8751 | 千吨 | 2026-9 |
| 2014/2015 | 9450 | 千吨 | 2026-9 |
| 2013/2014 | 7561 | 千吨 | 2026-9 |
| 2012/2013 | 6935 | 千吨 | 2026-9 |
| 2011/2012 | 9098 | 千吨 | 2026-9 |
| 2010/2011 | 8484 | 千吨 | 2026-9 |
| 2009/2010 | 11833 | 千吨 | 2026-9 |
| 2008/2009 | 12612 | 千吨 | 2026-9 |
| 2007/2008 | 5981 | 千吨 | 2026-9 |
| 2006/2007 | 11341 | 千吨 | 2026-9 |
| 2005/2006 | 8975 | 千吨 | 2026-9 |
| 2004/2005 | 11084 | 千吨 | 2026-9 |
| 2003/2004 | 6833 | 千吨 | 2026-9 |
| 2002/2003 | 10364 | 千吨 | 2026-9 |
| 2001/2002 | 10186 | 千吨 | 2026-9 |
| 2000/2001 | 6872 | 千吨 | 2026-9 |
| 1999/2000 | 6425 | 千吨 | 2026-9 |
| 1998/1999 | 5870 | 千吨 | 2026-9 |
| 1997/1998 | 7407 | 千吨 | 2026-9 |
| 1996/1997 | 5725 | 千吨 | 2026-9 |
| 1995/1996 | 9633 | 千吨 | 2026-9 |
| 1994/1995 | 14508 | 千吨 | 2026-9 |
| 1993/1994 | 13550 | 千吨 | 2026-9 |
| 1992/1993 | 10106 | 千吨 | 2026-9 |
| 1991/1992 | 8047 | 千吨 | 2026-9 |
| 1990/1991 | 9168 | 千吨 | 2026-9 |
| 1989/1990 | 10090 | 千吨 | 2026-9 |
| 1988/1989 | 8751 | 千吨 | 2026-9 |
| 1987/1988 | 12190 | 千吨 | 2026-9 |