| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1990/1991 | 469 | 千吨 | 2026-9 |
| 1989/1990 | 468 | 千吨 | 2026-9 |
| 1988/1989 | 423 | 千吨 | 2026-9 |
| 1987/1988 | 506 | 千吨 | 2026-9 |
| 1986/1987 | 630 | 千吨 | 2026-9 |
| 1985/1986 | 706 | 千吨 | 2026-9 |
| 1984/1985 | 469 | 千吨 | 2026-9 |
| 1983/1984 | 278 | 千吨 | 2026-9 |
| 1982/1983 | 376 | 千吨 | 2026-9 |
| 1981/1982 | 504 | 千吨 | 2026-9 |
| 1980/1981 | 513 | 千吨 | 2026-9 |
| 1979/1980 | 516 | 千吨 | 2026-9 |
| 1978/1979 | 552 | 千吨 | 2026-9 |
| 1977/1978 | 632 | 千吨 | 2026-9 |
| 1976/1977 | 556 | 千吨 | 2026-9 |
| 1975/1976 | 694 | 千吨 | 2026-9 |
| 1974/1975 | 510 | 千吨 | 2026-9 |
| 1973/1974 | 413 | 千吨 | 2026-9 |
| 1972/1973 | 533 | 千吨 | 2026-9 |
| 1971/1972 | 531 | 千吨 | 2026-9 |
| 1970/1971 | 506 | 千吨 | 2026-9 |
| 1969/1970 | 436 | 千吨 | 2026-9 |
| 1968/1969 | 434 | 千吨 | 2026-9 |
| 1967/1968 | 419 | 千吨 | 2026-9 |
| 1966/1967 | 399 | 千吨 | 2026-9 |
| 1965/1966 | 479 | 千吨 | 2026-9 |
| 1964/1965 | 404 | 千吨 | 2026-9 |