| 年度 | 数值 | 单位 | 发布时间 |
|---|
| 1986/1987 | 12479 | 千吨 | 2026-9 |
| 1985/1986 | 14400 | 千吨 | 2026-9 |
| 1984/1985 | 13600 | 千吨 | 2026-9 |
| 1983/1984 | 13300 | 千吨 | 2026-9 |
| 1982/1983 | 14700 | 千吨 | 2026-9 |
| 1981/1982 | 9400 | 千吨 | 2026-9 |
| 1980/1981 | 9454 | 千吨 | 2026-9 |
| 1979/1980 | 8400 | 千吨 | 2026-9 |
| 1978/1979 | 8951 | 千吨 | 2026-9 |
| 1977/1978 | 10979 | 千吨 | 2026-9 |
| 1976/1977 | 10138 | 千吨 | 2026-9 |
| 1975/1976 | 7328 | 千吨 | 2026-9 |
| 1974/1975 | 12104 | 千吨 | 2026-9 |
| 1973/1974 | 13216 | 千吨 | 2026-9 |
| 1972/1973 | 9830 | 千吨 | 2026-9 |
| 1971/1972 | 8597 | 千吨 | 2026-9 |
| 1970/1971 | 9428 | 千吨 | 2026-9 |
| 1969/1970 | 11954 | 千吨 | 2026-9 |
| 1968/1969 | 8828 | 千吨 | 2026-9 |
| 1967/1968 | 9163 | 千吨 | 2026-9 |
| 1966/1967 | 8416 | 千吨 | 2026-9 |
| 1965/1966 | 8030 | 千吨 | 2026-9 |
| 1964/1965 | 13849 | 千吨 | 2026-9 |
| 1963/1964 | 11143 | 千吨 | 2026-9 |
| 1962/1963 | 15474 | 千吨 | 2026-9 |
| 1961/1962 | 17113 | 千吨 | 2026-9 |
| 1960/1961 | 9823 | 千吨 | 2026-9 |