| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1990/1991 | 887 | 千吨 | 2026-9 |
| 1989/1990 | 1003 | 千吨 | 2026-9 |
| 1988/1989 | 1013 | 千吨 | 2026-9 |
| 1987/1988 | 1034 | 千吨 | 2026-9 |
| 1986/1987 | 540 | 千吨 | 2026-9 |
| 1985/1986 | 668 | 千吨 | 2026-9 |
| 1984/1985 | 806 | 千吨 | 2026-9 |
| 1983/1984 | 583 | 千吨 | 2026-9 |
| 1982/1983 | 544 | 千吨 | 2026-9 |
| 1981/1982 | 642 | 千吨 | 2026-9 |
| 1980/1981 | 653 | 千吨 | 2026-9 |
| 1979/1980 | 544 | 千吨 | 2026-9 |
| 1978/1979 | 543 | 千吨 | 2026-9 |
| 1977/1978 | 432 | 千吨 | 2026-9 |
| 1976/1977 | 436 | 千吨 | 2026-9 |
| 1975/1976 | 396 | 千吨 | 2026-9 |
| 1974/1975 | 451 | 千吨 | 2026-9 |
| 1973/1974 | 541 | 千吨 | 2026-9 |
| 1972/1973 | 556 | 千吨 | 2026-9 |
| 1971/1972 | 650 | 千吨 | 2026-9 |
| 1970/1971 | 459 | 千吨 | 2026-9 |
| 1969/1970 | 301 | 千吨 | 2026-9 |
| 1968/1969 | 339 | 千吨 | 2026-9 |
| 1967/1968 | 311 | 千吨 | 2026-9 |
| 1966/1967 | 217 | 千吨 | 2026-9 |
| 1965/1966 | 214 | 千吨 | 2026-9 |
| 1964/1965 | 124 | 千吨 | 2026-9 |