| 年度 | 数值 | 单位 | 发布时间 |
|---|
| 1986/1987 | 7600 | 千吨 | 2026-9 |
| 1985/1986 | 10300 | 千吨 | 2026-9 |
| 1984/1985 | 20300 | 千吨 | 2026-9 |
| 1983/1984 | 9500 | 千吨 | 2026-9 |
| 1982/1983 | 6500 | 千吨 | 2026-9 |
| 1981/1982 | 13400 | 千吨 | 2026-9 |
| 1980/1981 | 15100 | 千吨 | 2026-9 |
| 1979/1980 | 9579 | 千吨 | 2026-9 |
| 1978/1979 | 9602 | 千吨 | 2026-9 |
| 1977/1978 | 10857 | 千吨 | 2026-9 |
| 1976/1977 | 5000 | 千吨 | 2026-9 |
| 1975/1976 | 12300 | 千吨 | 2026-9 |
| 1974/1975 | 2200 | 千吨 | 2026-9 |
| 1973/1974 | 4797 | 千吨 | 2026-9 |
| 1972/1973 | 4101 | 千吨 | 2026-9 |
| 1971/1972 | 2106 | 千吨 | 2026-9 |
| 1970/1971 | 271 | 千吨 | 2026-9 |
| 1969/1970 | 110 | 千吨 | 2026-9 |
| 1968/1969 | 432 | 千吨 | 2026-9 |
| 1967/1968 | 361 | 千吨 | 2026-9 |
| 1966/1967 | 186 | 千吨 | 2026-9 |
| 1965/1966 | 23 | 千吨 | 2026-9 |
| 1964/1965 | 2 | 千吨 | 2026-9 |
| 1963/1964 | 127 | 千吨 | 2026-9 |
| 1962/1963 | 5 | 千吨 | 2026-9 |
| 1961/1962 | 24 | 千吨 | 2026-9 |
| 1960/1961 | 133 | 千吨 | 2026-9 |