| 年度 | 数值 | 单位 | 发布时间 |
|---|
| 2026/2027 | 22000 | 千吨 | 2026-9 |
| 2025/2026 | 22400 | 千吨 | 2026-9 |
| 2024/2025 | 20019 | 千吨 | 2026-9 |
| 2023/2024 | 29488 | 千吨 | 2026-9 |
| 2022/2023 | 27122 | 千吨 | 2026-9 |
| 2021/2022 | 26980 | 千吨 | 2026-9 |
| 2020/2021 | 23864 | 千吨 | 2026-9 |
| 2019/2020 | 28929 | 千吨 | 2026-9 |
| 2018/2019 | 30321 | 千吨 | 2026-9 |
| 2017/2018 | 18036 | 千吨 | 2026-9 |
| 2016/2017 | 21334 | 千吨 | 2026-9 |
| 2015/2016 | 16595 | 千吨 | 2026-9 |
| 2014/2015 | 19661 | 千吨 | 2026-9 |
| 2013/2014 | 20004 | 千吨 | 2026-9 |
| 2012/2013 | 12726 | 千吨 | 2026-9 |
| 2011/2012 | 15208 | 千吨 | 2026-9 |
| 2010/2011 | 5008 | 千吨 | 2026-9 |
| 2009/2010 | 5072 | 千吨 | 2026-9 |
| 2008/2009 | 5497 | 千吨 | 2026-9 |
| 2007/2008 | 2074 | 千吨 | 2026-9 |
| 2006/2007 | 1027 | 千吨 | 2026-9 |
| 2005/2006 | 2464 | 千吨 | 2026-9 |
| 2004/2005 | 2334 | 千吨 | 2026-9 |
| 2003/2004 | 1238 | 千吨 | 2026-9 |
| 2002/2003 | 811 | 千吨 | 2026-9 |
| 2001/2002 | 349 | 千吨 | 2026-9 |
| 2000/2001 | 397 | 千吨 | 2026-9 |
| 1999/2000 | 55 | 千吨 | 2026-9 |
| 1998/1999 | 365 | 千吨 | 2026-9 |
| 1997/1998 | 593 | 千吨 | 2026-9 |
| 1996/1997 | 22 | 千吨 | 2026-9 |
| 1995/1996 | 58 | 千吨 | 2026-9 |
| 1994/1995 | 0 | 千吨 | 2026-9 |
| 1993/1994 | 2 | 千吨 | 2026-9 |
| 1992/1993 | 100 | 千吨 | 2026-9 |
| 1991/1992 | 150 | 千吨 | 2026-9 |
| 1990/1991 | 350 | 千吨 | 2026-9 |
| 1989/1990 | 600 | 千吨 | 2026-9 |
| 1988/1989 | 1300 | 千吨 | 2026-9 |
| 1987/1988 | 1500 | 千吨 | 2026-9 |