| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1986/1987 | 1537 | 千吨 | 2026-9 |
| 1985/1986 | 1500 | 千吨 | 2026-9 |
| 1984/1985 | 1588 | 千吨 | 2026-9 |
| 1983/1984 | 1518 | 千吨 | 2026-9 |
| 1982/1983 | 1442 | 千吨 | 2026-9 |
| 1981/1982 | 1453 | 千吨 | 2026-9 |
| 1980/1981 | 1629 | 千吨 | 2026-9 |
| 1979/1980 | 1395 | 千吨 | 2026-9 |
| 1978/1979 | 1232 | 千吨 | 2026-9 |
| 1977/1978 | 1294 | 千吨 | 2026-9 |
| 1976/1977 | 1168 | 千吨 | 2026-9 |
| 1975/1976 | 1173 | 千吨 | 2026-9 |
| 1974/1975 | 1117 | 千吨 | 2026-9 |
| 1973/1974 | 1030 | 千吨 | 2026-9 |
| 1972/1973 | 961 | 千吨 | 2026-9 |
| 1971/1972 | 834 | 千吨 | 2026-9 |
| 1970/1971 | 747 | 千吨 | 2026-9 |
| 1969/1970 | 646 | 千吨 | 2026-9 |
| 1968/1969 | 620 | 千吨 | 2026-9 |
| 1967/1968 | 522 | 千吨 | 2026-9 |
| 1966/1967 | 416 | 千吨 | 2026-9 |
| 1965/1966 | 282 | 千吨 | 2026-9 |
| 1964/1965 | 275 | 千吨 | 2026-9 |
| 1963/1964 | 219 | 千吨 | 2026-9 |
| 1962/1963 | 159 | 千吨 | 2026-9 |
| 1961/1962 | 144 | 千吨 | 2026-9 |
| 1960/1961 | 97 | 千吨 | 2026-9 |