| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1990/1991 | 910 | 千吨 | 2026-9 |
| 1989/1990 | 772 | 千吨 | 2026-9 |
| 1988/1989 | 714 | 千吨 | 2026-9 |
| 1987/1988 | 906 | 千吨 | 2026-9 |
| 1986/1987 | 858 | 千吨 | 2026-9 |
| 1985/1986 | 840 | 千吨 | 2026-9 |
| 1984/1985 | 1034 | 千吨 | 2026-9 |
| 1983/1984 | 713 | 千吨 | 2026-9 |
| 1982/1983 | 861 | 千吨 | 2026-9 |
| 1981/1982 | 575 | 千吨 | 2026-9 |
| 1980/1981 | 664 | 千吨 | 2026-9 |
| 1979/1980 | 653 | 千吨 | 2026-9 |
| 1978/1979 | 680 | 千吨 | 2026-9 |
| 1977/1978 | 569 | 千吨 | 2026-9 |
| 1976/1977 | 604 | 千吨 | 2026-9 |
| 1975/1976 | 557 | 千吨 | 2026-9 |
| 1974/1975 | 430 | 千吨 | 2026-9 |
| 1973/1974 | 505 | 千吨 | 2026-9 |
| 1972/1973 | 543 | 千吨 | 2026-9 |
| 1971/1972 | 488 | 千吨 | 2026-9 |
| 1970/1971 | 643 | 千吨 | 2026-9 |
| 1969/1970 | 637 | 千吨 | 2026-9 |
| 1968/1969 | 631 | 千吨 | 2026-9 |
| 1967/1968 | 465 | 千吨 | 2026-9 |
| 1966/1967 | 551 | 千吨 | 2026-9 |
| 1965/1966 | 458 | 千吨 | 2026-9 |
| 1964/1965 | 460 | 千吨 | 2026-9 |