| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1986/1987 | 8033 | 千吨 | 2026-9 |
| 1985/1986 | 8216 | 千吨 | 2026-9 |
| 1984/1985 | 7370 | 千吨 | 2026-9 |
| 1983/1984 | 7024 | 千吨 | 2026-9 |
| 1982/1983 | 7174 | 千吨 | 2026-9 |
| 1981/1982 | 7498 | 千吨 | 2026-9 |
| 1980/1981 | 7880 | 千吨 | 2026-9 |
| 1979/1980 | 6628 | 千吨 | 2026-9 |
| 1978/1979 | 7163 | 千吨 | 2026-9 |
| 1977/1978 | 7569 | 千吨 | 2026-9 |
| 1976/1977 | 7386 | 千吨 | 2026-9 |
| 1975/1976 | 7400 | 千吨 | 2026-9 |
| 1974/1975 | 7338 | 千吨 | 2026-9 |
| 1973/1974 | 8009 | 千吨 | 2026-9 |
| 1972/1973 | 6879 | 千吨 | 2026-9 |
| 1971/1972 | 7782 | 千吨 | 2026-9 |
| 1970/1971 | 7724 | 千吨 | 2026-9 |
| 1969/1970 | 8155 | 千吨 | 2026-9 |
| 1968/1969 | 7797 | 千吨 | 2026-9 |
| 1967/1968 | 8475 | 千吨 | 2026-9 |
| 1966/1967 | 8915 | 千吨 | 2026-9 |
| 1965/1966 | 9788 | 千吨 | 2026-9 |
| 1964/1965 | 10568 | 千吨 | 2026-9 |
| 1963/1964 | 10849 | 千吨 | 2026-9 |
| 1962/1963 | 11703 | 千吨 | 2026-9 |
| 1961/1962 | 11656 | 千吨 | 2026-9 |
| 1960/1961 | 11800 | 千吨 | 2026-9 |