| 年度 | 数值 | 单位 | 发布时间 |
|---|
| 1986/1987 | 15729 | 千吨 | 2026-9 |
| 1985/1986 | 20750 | 千吨 | 2026-9 |
| 1984/1985 | 27500 | 千吨 | 2026-9 |
| 1983/1984 | 17250 | 千吨 | 2026-9 |
| 1982/1983 | 17700 | 千吨 | 2026-9 |
| 1981/1982 | 22800 | 千吨 | 2026-9 |
| 1980/1981 | 17924 | 千吨 | 2026-9 |
| 1979/1980 | 20050 | 千吨 | 2026-9 |
| 1978/1979 | 15698 | 千吨 | 2026-9 |
| 1977/1978 | 18352 | 千吨 | 2026-9 |
| 1976/1977 | 11954 | 千吨 | 2026-9 |
| 1975/1976 | 17062 | 千吨 | 2026-9 |
| 1974/1975 | 10631 | 千吨 | 2026-9 |
| 1973/1974 | 13890 | 千吨 | 2026-9 |
| 1972/1973 | 11046 | 千吨 | 2026-9 |
| 1971/1972 | 8206 | 千吨 | 2026-9 |
| 1970/1971 | 6555 | 千吨 | 2026-9 |
| 1969/1970 | 8639 | 千吨 | 2026-9 |
| 1968/1969 | 6525 | 千吨 | 2026-9 |
| 1967/1968 | 7001 | 千吨 | 2026-9 |
| 1966/1967 | 6162 | 千吨 | 2026-9 |
| 1965/1966 | 5475 | 千吨 | 2026-9 |
| 1964/1965 | 10194 | 千吨 | 2026-9 |
| 1963/1964 | 8436 | 千吨 | 2026-9 |
| 1962/1963 | 11448 | 千吨 | 2026-9 |
| 1961/1962 | 12585 | 千吨 | 2026-9 |
| 1960/1961 | 7254 | 千吨 | 2026-9 |