| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1986/1987 | 710 | 千吨 | 2026-9 |
| 1985/1986 | 465 | 千吨 | 2026-9 |
| 1984/1985 | 469 | 千吨 | 2026-9 |
| 1983/1984 | 560 | 千吨 | 2026-9 |
| 1982/1983 | 536 | 千吨 | 2026-9 |
| 1981/1982 | 491 | 千吨 | 2026-9 |
| 1980/1981 | 525 | 千吨 | 2026-9 |
| 1979/1980 | 467 | 千吨 | 2026-9 |
| 1978/1979 | 634 | 千吨 | 2026-9 |
| 1977/1978 | 540 | 千吨 | 2026-9 |
| 1976/1977 | 480 | 千吨 | 2026-9 |
| 1975/1976 | 780 | 千吨 | 2026-9 |
| 1974/1975 | 360 | 千吨 | 2026-9 |
| 1973/1974 | 424 | 千吨 | 2026-9 |
| 1972/1973 | 258 | 千吨 | 2026-9 |
| 1971/1972 | 535 | 千吨 | 2026-9 |
| 1970/1971 | 603 | 千吨 | 2026-9 |
| 1969/1970 | 434 | 千吨 | 2026-9 |
| 1968/1969 | 528 | 千吨 | 2026-9 |
| 1967/1968 | 543 | 千吨 | 2026-9 |
| 1966/1967 | 586 | 千吨 | 2026-9 |
| 1965/1966 | 421 | 千吨 | 2026-9 |
| 1964/1965 | 293 | 千吨 | 2026-9 |