| 年度 | 数值 | 单位 | 发布日期 |
| 2026/2027 | 1325 | 千吨 | 2026-9 |
| 2025/2026 | 1350 | 千吨 | 2026-9 |
| 2024/2025 | 1175 | 千吨 | 2026-9 |
| 2023/2024 | 1141 | 千吨 | 2026-9 |
| 2022/2023 | 1229 | 千吨 | 2026-9 |
| 2021/2022 | 1130 | 千吨 | 2026-9 |
| 2020/2021 | 1230 | 千吨 | 2026-9 |
| 2019/2020 | 970 | 千吨 | 2026-9 |
| 2018/2019 | 1120 | 千吨 | 2026-9 |
| 2017/2018 | 1665 | 千吨 | 2026-9 |
| 2016/2017 | 1715 | 千吨 | 2026-9 |
| 2015/2016 | 1510 | 千吨 | 2026-9 |
| 2014/2015 | 1533 | 千吨 | 2026-9 |
| 2013/2014 | 1612 | 千吨 | 2026-9 |
| 2012/2013 | 1778 | 千吨 | 2026-9 |
| 2011/2012 | 1568 | 千吨 | 2026-9 |
| 2010/2011 | 1646 | 千吨 | 2026-9 |
| 2009/2010 | 1573 | 千吨 | 2026-9 |
| 2008/2009 | 1860 | 千吨 | 2026-9 |
| 2007/2008 | 2325 | 千吨 | 2026-9 |
| 2006/2007 | 2325 | 千吨 | 2026-9 |
| 2005/2006 | 2350 | 千吨 | 2026-9 |
| 2004/2005 | 2250 | 千吨 | 2026-9 |
| 2003/2004 | 1800 | 千吨 | 2026-9 |
| 2002/2003 | 2050 | 千吨 | 2026-9 |
| 2001/2002 | 2100 | 千吨 | 2026-9 |
| 2000/2001 | 2020 | 千吨 | 2026-9 |
| 1999/2000 | 2150 | 千吨 | 2026-9 |
| 1998/1999 | 2000 | 千吨 | 2026-9 |
| 1997/1998 | 2300 | 千吨 | 2026-9 |
| 1996/1997 | 2014 | 千吨 | 2026-9 |
| 1995/1996 | 2200 | 千吨 | 2026-9 |
| 1994/1995 | 2650 | 千吨 | 2026-9 |
| 1993/1994 | 2400 | 千吨 | 2026-9 |
| 1992/1993 | 2500 | 千吨 | 2026-9 |
| 1991/1992 | 2620 | 千吨 | 2026-9 |
| 1990/1991 | 2976 | 千吨 | 2026-9 |
| 1989/1990 | 3433 | 千吨 | 2026-9 |
| 1988/1989 | 3334 | 千吨 | 2026-9 |
| 1987/1988 | 2831 | 千吨 | 2026-9 |