| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1991/1992 | 437 | 千吨 | 2026-9 |
| 1990/1991 | 475 | 千吨 | 2026-9 |
| 1989/1990 | 364 | 千吨 | 2026-9 |
| 1988/1989 | 415 | 千吨 | 2026-9 |
| 1987/1988 | 463 | 千吨 | 2026-9 |
| 1986/1987 | 498 | 千吨 | 2026-9 |
| 1985/1986 | 535 | 千吨 | 2026-9 |
| 1984/1985 | 525 | 千吨 | 2026-9 |
| 1983/1984 | 511 | 千吨 | 2026-9 |
| 1982/1983 | 518 | 千吨 | 2026-9 |
| 1981/1982 | 471 | 千吨 | 2026-9 |
| 1980/1981 | 468 | 千吨 | 2026-9 |
| 1979/1980 | 404 | 千吨 | 2026-9 |
| 1978/1979 | 455 | 千吨 | 2026-9 |
| 1977/1978 | 454 | 千吨 | 2026-9 |
| 1976/1977 | 379 | 千吨 | 2026-9 |
| 1975/1976 | 591 | 千吨 | 2026-9 |
| 1974/1975 | 687 | 千吨 | 2026-9 |
| 1973/1974 | 740 | 千吨 | 2026-9 |
| 1972/1973 | 726 | 千吨 | 2026-9 |
| 1971/1972 | 905 | 千吨 | 2026-9 |
| 1970/1971 | 776 | 千吨 | 2026-9 |
| 1969/1970 | 969 | 千吨 | 2026-9 |
| 1968/1969 | 871 | 千吨 | 2026-9 |
| 1967/1968 | 968 | 千吨 | 2026-9 |
| 1966/1967 | 763 | 千吨 | 2026-9 |
| 1965/1966 | 635 | 千吨 | 2026-9 |
| 1964/1965 | 669 | 千吨 | 2026-9 |
| 1963/1964 | 797 | 千吨 | 2026-9 |
| 1962/1963 | 905 | 千吨 | 2026-9 |
| 1961/1962 | 959 | 千吨 | 2026-9 |
| 1960/1961 | 1020 | 千吨 | 2026-9 |