| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1991/1992 | 418 | 千吨 | 2026-9 |
| 1990/1991 | 435 | 千吨 | 2026-9 |
| 1989/1990 | 521 | 千吨 | 2026-9 |
| 1988/1989 | 431 | 千吨 | 2026-9 |
| 1987/1988 | 388 | 千吨 | 2026-9 |
| 1986/1987 | 436 | 千吨 | 2026-9 |
| 1985/1986 | 320 | 千吨 | 2026-9 |
| 1984/1985 | 426 | 千吨 | 2026-9 |
| 1983/1984 | 455 | 千吨 | 2026-9 |
| 1982/1983 | 461 | 千吨 | 2026-9 |
| 1981/1982 | 446 | 千吨 | 2026-9 |
| 1980/1981 | 375 | 千吨 | 2026-9 |
| 1979/1980 | 356 | 千吨 | 2026-9 |
| 1978/1979 | 506 | 千吨 | 2026-9 |
| 1977/1978 | 528 | 千吨 | 2026-9 |
| 1976/1977 | 611 | 千吨 | 2026-9 |
| 1975/1976 | 505 | 千吨 | 2026-9 |
| 1974/1975 | 551 | 千吨 | 2026-9 |
| 1973/1974 | 522 | 千吨 | 2026-9 |
| 1972/1973 | 517 | 千吨 | 2026-9 |
| 1971/1972 | 527 | 千吨 | 2026-9 |
| 1970/1971 | 519 | 千吨 | 2026-9 |
| 1969/1970 | 543 | 千吨 | 2026-9 |
| 1968/1969 | 556 | 千吨 | 2026-9 |
| 1967/1968 | 556 | 千吨 | 2026-9 |
| 1966/1967 | 758 | 千吨 | 2026-9 |
| 1965/1966 | 666 | 千吨 | 2026-9 |
| 1964/1965 | 692 | 千吨 | 2026-9 |
| 1963/1964 | 821 | 千吨 | 2026-9 |
| 1962/1963 | 684 | 千吨 | 2026-9 |
| 1961/1962 | 710 | 千吨 | 2026-9 |
| 1960/1961 | 731 | 千吨 | 2026-9 |