| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1990/1991 | 575 | 千吨 | 2026-9 |
| 1989/1990 | 600 | 千吨 | 2026-9 |
| 1988/1989 | 663 | 千吨 | 2026-9 |
| 1987/1988 | 661 | 千吨 | 2026-9 |
| 1986/1987 | 659 | 千吨 | 2026-9 |
| 1985/1986 | 660 | 千吨 | 2026-9 |
| 1984/1985 | 652 | 千吨 | 2026-9 |
| 1983/1984 | 760 | 千吨 | 2026-9 |
| 1982/1983 | 600 | 千吨 | 2026-9 |
| 1981/1982 | 609 | 千吨 | 2026-9 |
| 1980/1981 | 657 | 千吨 | 2026-9 |
| 1979/1980 | 649 | 千吨 | 2026-9 |
| 1978/1979 | 577 | 千吨 | 2026-9 |
| 1977/1978 | 657 | 千吨 | 2026-9 |
| 1976/1977 | 501 | 千吨 | 2026-9 |
| 1975/1976 | 623 | 千吨 | 2026-9 |
| 1974/1975 | 515 | 千吨 | 2026-9 |
| 1973/1974 | 649 | 千吨 | 2026-9 |
| 1972/1973 | 576 | 千吨 | 2026-9 |
| 1971/1972 | 687 | 千吨 | 2026-9 |
| 1970/1971 | 595 | 千吨 | 2026-9 |
| 1969/1970 | 572 | 千吨 | 2026-9 |
| 1968/1969 | 550 | 千吨 | 2026-9 |
| 1967/1968 | 432 | 千吨 | 2026-9 |
| 1966/1967 | 394 | 千吨 | 2026-9 |
| 1965/1966 | 468 | 千吨 | 2026-9 |
| 1964/1965 | 491 | 千吨 | 2026-9 |