| 年度 | 数值 | 单位 | 发布日期 |
| 2026/2027 | 15700 | 千吨 | 2026-9 |
| 2025/2026 | 14700 | 千吨 | 2026-9 |
| 2024/2025 | 13300 | 千吨 | 2026-9 |
| 2023/2024 | 14700 | 千吨 | 2026-9 |
| 2022/2023 | 16700 | 千吨 | 2026-9 |
| 2021/2022 | 14300 | 千吨 | 2026-9 |
| 2020/2021 | 14400 | 千吨 | 2026-9 |
| 2019/2020 | 15400 | 千吨 | 2026-9 |
| 2018/2019 | 12200 | 千吨 | 2026-9 |
| 2017/2018 | 14500 | 千吨 | 2026-9 |
| 2016/2017 | 14700 | 千吨 | 2026-9 |
| 2015/2016 | 13700 | 千吨 | 2026-9 |
| 2014/2015 | 14100 | 千吨 | 2026-9 |
| 2013/2014 | 12700 | 千吨 | 2026-9 |
| 2012/2013 | 12200 | 千吨 | 2026-9 |
| 2011/2012 | 14400 | 千吨 | 2026-9 |
| 2010/2011 | 9500 | 千吨 | 2026-9 |
| 2009/2010 | 16650 | 千吨 | 2026-9 |
| 2008/2009 | 17100 | 千吨 | 2026-9 |
| 2007/2008 | 15050 | 千吨 | 2026-9 |
| 2006/2007 | 16400 | 千吨 | 2026-9 |
| 2005/2006 | 15500 | 千吨 | 2026-9 |
| 2004/2005 | 16500 | 千吨 | 2026-9 |
| 2003/2004 | 18600 | 千吨 | 2026-9 |
| 2002/2003 | 15500 | 千吨 | 2026-9 |
| 2001/2002 | 14250 | 千吨 | 2026-9 |
| 2000/2001 | 12700 | 千吨 | 2026-9 |
| 1999/2000 | 11400 | 千吨 | 2026-9 |
| 1998/1999 | 12900 | 千吨 | 2026-9 |
| 1997/1998 | 16550 | 千吨 | 2026-9 |
| 1996/1997 | 16400 | 千吨 | 2026-9 |
| 1995/1996 | 17566 | 千吨 | 2026-9 |
| 1994/1995 | 24087 | 千吨 | 2026-9 |
| 1993/1994 | 26824 | 千吨 | 2026-9 |
| 1992/1993 | 27357 | 千吨 | 2026-9 |
| 1991/1992 | 23454 | 千吨 | 2026-9 |
| 1990/1991 | 30530 | 千吨 | 2026-9 |
| 1989/1990 | 24508 | 千吨 | 2026-9 |
| 1988/1989 | 22928 | 千吨 | 2026-9 |
| 1987/1988 | 25494 | 千吨 | 2026-9 |