| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1986/1987 | 1979 | 千吨 | 2026-9 |
| 1985/1986 | 2472 | 千吨 | 2026-9 |
| 1984/1985 | 1135 | 千吨 | 2026-9 |
| 1983/1984 | 1305 | 千吨 | 2026-9 |
| 1982/1983 | 1372 | 千吨 | 2026-9 |
| 1981/1982 | 1715 | 千吨 | 2026-9 |
| 1980/1981 | 1667 | 千吨 | 2026-9 |
| 1979/1980 | 1730 | 千吨 | 2026-9 |
| 1978/1979 | 2030 | 千吨 | 2026-9 |
| 1977/1978 | 1304 | 千吨 | 2026-9 |
| 1976/1977 | 2068 | 千吨 | 2026-9 |
| 1975/1976 | 1814 | 千吨 | 2026-9 |
| 1974/1975 | 542 | 千吨 | 2026-9 |
| 1973/1974 | 343 | 千吨 | 2026-9 |
| 1972/1973 | 888 | 千吨 | 2026-9 |
| 1971/1972 | 747 | 千吨 | 2026-9 |
| 1970/1971 | 548 | 千吨 | 2026-9 |
| 1969/1970 | 334 | 千吨 | 2026-9 |
| 1968/1969 | 428 | 千吨 | 2026-9 |
| 1967/1968 | 443 | 千吨 | 2026-9 |
| 1966/1967 | 486 | 千吨 | 2026-9 |
| 1965/1966 | 321 | 千吨 | 2026-9 |
| 1964/1965 | 285 | 千吨 | 2026-9 |