| 年度 | 数值 | 单位 | 发布日期 |
| 2008/2009 | 0 | 吨 | 2026-9 |
| 2007/2008 | 0 | 吨 | 2026-9 |
| 2006/2007 | 0 | 吨 | 2026-9 |
| 2005/2006 | 0 | 吨 | 2026-9 |
| 2004/2005 | 0 | 吨 | 2026-9 |
| 2003/2004 | 0 | 吨 | 2026-9 |
| 2002/2003 | 0 | 吨 | 2026-9 |
| 2001/2002 | 0 | 吨 | 2026-9 |
| 2000/2001 | 1348000 | 吨 | 2026-9 |
| 1999/2000 | 1262000 | 吨 | 2026-9 |
| 1998/1999 | 1262000 | 吨 | 2026-9 |
| 1997/1998 | 1225000 | 吨 | 2026-9 |
| 1996/1997 | 1190000 | 吨 | 2026-9 |
| 1995/1996 | 1280000 | 吨 | 2026-9 |
| 1994/1995 | 1097000 | 吨 | 2026-9 |
| 1993/1994 | 1274000 | 吨 | 2026-9 |
| 1992/1993 | 1316800 | 吨 | 2026-9 |
| 1991/1992 | 1278000 | 吨 | 2026-9 |
| 1990/1991 | 1054700 | 吨 | 2026-9 |
| 1989/1990 | 861500 | 吨 | 2026-9 |
| 1988/1989 | 1134000 | 吨 | 2026-9 |
| 1987/1988 | 1062400 | 吨 | 2026-9 |
| 1986/1987 | 1188377 | 吨 | 2026-9 |
| 1985/1986 | 1268600 | 吨 | 2026-9 |
| 1984/1985 | 1260000 | 吨 | 2026-9 |
| 1983/1984 | 1101000 | 吨 | 2026-9 |
| 1982/1983 | 1359700 | 吨 | 2026-9 |
| 1981/1982 | 1051600 | 吨 | 2026-9 |