| 年度 | 数值 | 单位 | 发布时间 |
|---|
| 1986/1987 | 19579 | 千吨 | 2026-9 |
| 1985/1986 | 24800 | 千吨 | 2026-9 |
| 1984/1985 | 32900 | 千吨 | 2026-9 |
| 1983/1984 | 22000 | 千吨 | 2026-9 |
| 1982/1983 | 22100 | 千吨 | 2026-9 |
| 1981/1982 | 27100 | 千吨 | 2026-9 |
| 1980/1981 | 21254 | 千吨 | 2026-9 |
| 1979/1980 | 22950 | 千吨 | 2026-9 |
| 1978/1979 | 18553 | 千吨 | 2026-9 |
| 1977/1978 | 21836 | 千吨 | 2026-9 |
| 1976/1977 | 15138 | 千吨 | 2026-9 |
| 1975/1976 | 19628 | 千吨 | 2026-9 |
| 1974/1975 | 13854 | 千吨 | 2026-9 |
| 1973/1974 | 17648 | 千吨 | 2026-9 |
| 1972/1973 | 13682 | 千吨 | 2026-9 |
| 1971/1972 | 10575 | 千吨 | 2026-9 |
| 1970/1971 | 9418 | 千吨 | 2026-9 |
| 1969/1970 | 11935 | 千吨 | 2026-9 |
| 1968/1969 | 9006 | 千吨 | 2026-9 |
| 1967/1968 | 9323 | 千吨 | 2026-9 |
| 1966/1967 | 8425 | 千吨 | 2026-9 |
| 1965/1966 | 7826 | 千吨 | 2026-9 |
| 1964/1965 | 13318 | 千吨 | 2026-9 |
| 1963/1964 | 10558 | 千吨 | 2026-9 |
| 1962/1963 | 14647 | 千吨 | 2026-9 |
| 1961/1962 | 16008 | 千吨 | 2026-9 |
| 1960/1961 | 9566 | 千吨 | 2026-9 |