| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1990/1991 | 391 | 千吨 | 2026-9 |
| 1989/1990 | 412 | 千吨 | 2026-9 |
| 1988/1989 | 485 | 千吨 | 2026-9 |
| 1987/1988 | 364 | 千吨 | 2026-9 |
| 1986/1987 | 434 | 千吨 | 2026-9 |
| 1985/1986 | 509 | 千吨 | 2026-9 |
| 1984/1985 | 450 | 千吨 | 2026-9 |
| 1983/1984 | 344 | 千吨 | 2026-9 |
| 1982/1983 | 382 | 千吨 | 2026-9 |
| 1981/1982 | 388 | 千吨 | 2026-9 |
| 1980/1981 | 257 | 千吨 | 2026-9 |
| 1979/1980 | 339 | 千吨 | 2026-9 |
| 1978/1979 | 316 | 千吨 | 2026-9 |
| 1977/1978 | 312 | 千吨 | 2026-9 |
| 1976/1977 | 345 | 千吨 | 2026-9 |
| 1975/1976 | 368 | 千吨 | 2026-9 |
| 1974/1975 | 416 | 千吨 | 2026-9 |
| 1973/1974 | 415 | 千吨 | 2026-9 |
| 1972/1973 | 327 | 千吨 | 2026-9 |
| 1971/1972 | 564 | 千吨 | 2026-9 |
| 1970/1971 | 603 | 千吨 | 2026-9 |
| 1969/1970 | 587 | 千吨 | 2026-9 |
| 1968/1969 | 629 | 千吨 | 2026-9 |
| 1967/1968 | 621 | 千吨 | 2026-9 |
| 1966/1967 | 563 | 千吨 | 2026-9 |
| 1965/1966 | 440 | 千吨 | 2026-9 |
| 1964/1965 | 496 | 千吨 | 2026-9 |