| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1986/1987 | 4866 | 千吨 | 2026-9 |
| 1985/1986 | 6093 | 千吨 | 2026-9 |
| 1984/1985 | 4100 | 千吨 | 2026-9 |
| 1983/1984 | 7633 | 千吨 | 2026-9 |
| 1982/1983 | 4320 | 千吨 | 2026-9 |
| 1981/1982 | 1790 | 千吨 | 2026-9 |
| 1980/1981 | 1656 | 千吨 | 2026-9 |
| 1979/1980 | 1103 | 千吨 | 2026-9 |
| 1978/1979 | 5125 | 千吨 | 2026-9 |
| 1977/1978 | 1153 | 千吨 | 2026-9 |
| 1976/1977 | 5276 | 千吨 | 2026-9 |
| 1975/1976 | 1803 | 千吨 | 2026-9 |
| 1974/1975 | 5469 | 千吨 | 2026-9 |
| 1973/1974 | 2616 | 千吨 | 2026-9 |
| 1972/1973 | 2409 | 千吨 | 2026-9 |
| 1971/1972 | 4584 | 千吨 | 2026-9 |
| 1970/1971 | 3845 | 千吨 | 2026-9 |
| 1969/1970 | 2520 | 千吨 | 2026-9 |
| 1968/1969 | 3766 | 千吨 | 2026-9 |
| 1967/1968 | 3976 | 千吨 | 2026-9 |
| 1966/1967 | 3642 | 千吨 | 2026-9 |
| 1965/1966 | 2861 | 千吨 | 2026-9 |
| 1964/1965 | 1600 | 千吨 | 2026-9 |
| 1963/1964 | 1145 | 千吨 | 2026-9 |
| 1962/1963 | 1443 | 千吨 | 2026-9 |
| 1961/1962 | 2435 | 千吨 | 2026-9 |
| 1960/1961 | 2191 | 千吨 | 2026-9 |