| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1991/1992 | 337 | 千吨 | 2026-9 |
| 1990/1991 | 324 | 千吨 | 2026-9 |
| 1989/1990 | 248 | 千吨 | 2026-9 |
| 1988/1989 | 318 | 千吨 | 2026-9 |
| 1987/1988 | 351 | 千吨 | 2026-9 |
| 1986/1987 | 366 | 千吨 | 2026-9 |
| 1985/1986 | 397 | 千吨 | 2026-9 |
| 1984/1985 | 391 | 千吨 | 2026-9 |
| 1983/1984 | 411 | 千吨 | 2026-9 |
| 1982/1983 | 415 | 千吨 | 2026-9 |
| 1981/1982 | 384 | 千吨 | 2026-9 |
| 1980/1981 | 314 | 千吨 | 2026-9 |
| 1979/1980 | 330 | 千吨 | 2026-9 |
| 1978/1979 | 421 | 千吨 | 2026-9 |
| 1977/1978 | 378 | 千吨 | 2026-9 |
| 1976/1977 | 307 | 千吨 | 2026-9 |
| 1975/1976 | 508 | 千吨 | 2026-9 |
| 1974/1975 | 581 | 千吨 | 2026-9 |
| 1973/1974 | 632 | 千吨 | 2026-9 |
| 1972/1973 | 637 | 千吨 | 2026-9 |
| 1971/1972 | 788 | 千吨 | 2026-9 |
| 1970/1971 | 665 | 千吨 | 2026-9 |
| 1969/1970 | 842 | 千吨 | 2026-9 |
| 1968/1969 | 757 | 千吨 | 2026-9 |
| 1967/1968 | 844 | 千吨 | 2026-9 |
| 1966/1967 | 638 | 千吨 | 2026-9 |
| 1965/1966 | 526 | 千吨 | 2026-9 |
| 1964/1965 | 569 | 千吨 | 2026-9 |
| 1963/1964 | 690 | 千吨 | 2026-9 |
| 1962/1963 | 782 | 千吨 | 2026-9 |
| 1961/1962 | 804 | 千吨 | 2026-9 |
| 1960/1961 | 885 | 千吨 | 2026-9 |