| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1998/1999 | 438 | 千吨 | 2026-9 |
| 1997/1998 | 455 | 千吨 | 2026-9 |
| 1996/1997 | 479 | 千吨 | 2026-9 |
| 1995/1996 | 516 | 千吨 | 2026-9 |
| 1994/1995 | 462 | 千吨 | 2026-9 |
| 1993/1994 | 395 | 千吨 | 2026-9 |
| 1992/1993 | 391 | 千吨 | 2026-9 |
| 1991/1992 | 454 | 千吨 | 2026-9 |
| 1990/1991 | 394 | 千吨 | 2026-9 |
| 1989/1990 | 479 | 千吨 | 2026-9 |
| 1988/1989 | 387 | 千吨 | 2026-9 |
| 1987/1988 | 436 | 千吨 | 2026-9 |
| 1986/1987 | 479 | 千吨 | 2026-9 |
| 1985/1986 | 485 | 千吨 | 2026-9 |
| 1984/1985 | 452 | 千吨 | 2026-9 |
| 1983/1984 | 381 | 千吨 | 2026-9 |
| 1982/1983 | 498 | 千吨 | 2026-9 |
| 1981/1982 | 444 | 千吨 | 2026-9 |
| 1980/1981 | 371 | 千吨 | 2026-9 |
| 1979/1980 | 411 | 千吨 | 2026-9 |
| 1978/1979 | 395 | 千吨 | 2026-9 |
| 1977/1978 | 414 | 千吨 | 2026-9 |
| 1976/1977 | 354 | 千吨 | 2026-9 |
| 1975/1976 | 425 | 千吨 | 2026-9 |
| 1974/1975 | 364 | 千吨 | 2026-9 |
| 1973/1974 | 438 | 千吨 | 2026-9 |
| 1972/1973 | 461 | 千吨 | 2026-9 |