| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1988/1989 | 8680 | 千吨 | 2026-9 |
| 1987/1988 | 8650 | 千吨 | 2026-9 |
| 1986/1987 | 8700 | 千吨 | 2026-9 |
| 1985/1986 | 8260 | 千吨 | 2026-9 |
| 1984/1985 | 8587 | 千吨 | 2026-9 |
| 1983/1984 | 8700 | 千吨 | 2026-9 |
| 1982/1983 | 7392 | 千吨 | 2026-9 |
| 1981/1982 | 6413 | 千吨 | 2026-9 |
| 1980/1981 | 7174 | 千吨 | 2026-9 |
| 1979/1980 | 7927 | 千吨 | 2026-9 |
| 1978/1979 | 9354 | 千吨 | 2026-9 |
| 1977/1978 | 8884 | 千吨 | 2026-9 |
| 1976/1977 | 6698 | 千吨 | 2026-9 |
| 1975/1976 | 8093 | 千吨 | 2026-9 |
| 1974/1975 | 8531 | 千吨 | 2026-9 |
| 1973/1974 | 9184 | 千吨 | 2026-9 |
| 1972/1973 | 8148 | 千吨 | 2026-9 |
| 1971/1972 | 7993 | 千吨 | 2026-9 |
| 1970/1971 | 8983 | 千吨 | 2026-9 |
| 1969/1970 | 8800 | 千吨 | 2026-9 |
| 1968/1969 | 9906 | 千吨 | 2026-9 |
| 1967/1968 | 10459 | 千吨 | 2026-9 |
| 1966/1967 | 9346 | 千吨 | 2026-9 |
| 1965/1966 | 9500 | 千吨 | 2026-9 |
| 1964/1965 | 9222 | 千吨 | 2026-9 |
| 1963/1964 | 6985 | 千吨 | 2026-9 |
| 1962/1963 | 6600 | 千吨 | 2026-9 |
| 1961/1962 | 6503 | 千吨 | 2026-9 |
| 1960/1961 | 5986 | 千吨 | 2026-9 |