| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1998/1999 | 616 | 千吨 | 2026-9 |
| 1997/1998 | 428 | 千吨 | 2026-9 |
| 1996/1997 | 610 | 千吨 | 2026-9 |
| 1995/1996 | 515 | 千吨 | 2026-9 |
| 1994/1995 | 477 | 千吨 | 2026-9 |
| 1993/1994 | 467 | 千吨 | 2026-9 |
| 1992/1993 | 686 | 千吨 | 2026-9 |
| 1991/1992 | 752 | 千吨 | 2026-9 |
| 1990/1991 | 656 | 千吨 | 2026-9 |
| 1989/1990 | 646 | 千吨 | 2026-9 |
| 1988/1989 | 670 | 千吨 | 2026-9 |
| 1987/1988 | 707 | 千吨 | 2026-9 |
| 1986/1987 | 685 | 千吨 | 2026-9 |
| 1985/1986 | 609 | 千吨 | 2026-9 |
| 1984/1985 | 532 | 千吨 | 2026-9 |
| 1983/1984 | 531 | 千吨 | 2026-9 |
| 1982/1983 | 468 | 千吨 | 2026-9 |
| 1981/1982 | 505 | 千吨 | 2026-9 |
| 1980/1981 | 371 | 千吨 | 2026-9 |
| 1979/1980 | 287 | 千吨 | 2026-9 |
| 1978/1979 | 171 | 千吨 | 2026-9 |
| 1977/1978 | 181 | 千吨 | 2026-9 |
| 1976/1977 | 152 | 千吨 | 2026-9 |
| 1975/1976 | 127 | 千吨 | 2026-9 |
| 1974/1975 | 93 | 千吨 | 2026-9 |
| 1973/1974 | 129 | 千吨 | 2026-9 |
| 1972/1973 | 109 | 千吨 | 2026-9 |