| 年度 | 数值 | 单位 | 发布日期 |
| 2026/2027 | 3050 | 千吨 | 2026-9 |
| 2025/2026 | 3050 | 千吨 | 2026-9 |
| 2024/2025 | 2900 | 千吨 | 2026-9 |
| 2023/2024 | 2850 | 千吨 | 2026-9 |
| 2022/2023 | 2900 | 千吨 | 2026-9 |
| 2021/2022 | 2800 | 千吨 | 2026-9 |
| 2020/2021 | 2700 | 千吨 | 2026-9 |
| 2019/2020 | 2600 | 千吨 | 2026-9 |
| 2018/2019 | 2500 | 千吨 | 2026-9 |
| 2017/2018 | 2800 | 千吨 | 2026-9 |
| 2016/2017 | 2500 | 千吨 | 2026-9 |
| 2015/2016 | 2900 | 千吨 | 2026-9 |
| 2014/2015 | 2800 | 千吨 | 2026-9 |
| 2013/2014 | 2075 | 千吨 | 2026-9 |
| 2012/2013 | 2300 | 千吨 | 2026-9 |
| 2011/2012 | 2000 | 千吨 | 2026-9 |
| 2010/2011 | 1610 | 千吨 | 2026-9 |
| 2009/2010 | 1590 | 千吨 | 2026-9 |
| 2008/2009 | 1690 | 千吨 | 2026-9 |
| 2007/2008 | 1590 | 千吨 | 2026-9 |
| 2006/2007 | 1400 | 千吨 | 2026-9 |
| 2005/2006 | 1500 | 千吨 | 2026-9 |
| 2004/2005 | 1740 | 千吨 | 2026-9 |
| 2003/2004 | 1090 | 千吨 | 2026-9 |
| 2002/2003 | 1407 | 千吨 | 2026-9 |
| 2001/2002 | 1355 | 千吨 | 2026-9 |
| 2000/2001 | 1310 | 千吨 | 2026-9 |
| 1999/2000 | 1851 | 千吨 | 2026-9 |
| 1998/1999 | 1342 | 千吨 | 2026-9 |
| 1997/1998 | 1234 | 千吨 | 2026-9 |
| 1996/1997 | 1334 | 千吨 | 2026-9 |
| 1995/1996 | 873 | 千吨 | 2026-9 |
| 1994/1995 | 905 | 千吨 | 2026-9 |
| 1993/1994 | 1123 | 千吨 | 2026-9 |
| 1992/1993 | 1288 | 千吨 | 2026-9 |
| 1991/1992 | 1385 | 千吨 | 2026-9 |
| 1990/1991 | 2047 | 千吨 | 2026-9 |
| 1989/1990 | 2054 | 千吨 | 2026-9 |
| 1988/1989 | 2098 | 千吨 | 2026-9 |
| 1987/1988 | 2105 | 千吨 | 2026-9 |