| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1986/1987 | 18499 | 千吨 | 2026-9 |
| 1985/1986 | 18909 | 千吨 | 2026-9 |
| 1984/1985 | 16070 | 千吨 | 2026-9 |
| 1983/1984 | 17657 | 千吨 | 2026-9 |
| 1982/1983 | 13494 | 千吨 | 2026-9 |
| 1981/1982 | 9288 | 千吨 | 2026-9 |
| 1980/1981 | 9536 | 千吨 | 2026-9 |
| 1979/1980 | 7731 | 千吨 | 2026-9 |
| 1978/1979 | 12308 | 千吨 | 2026-9 |
| 1977/1978 | 8722 | 千吨 | 2026-9 |
| 1976/1977 | 13662 | 千吨 | 2026-9 |
| 1975/1976 | 10203 | 千吨 | 2026-9 |
| 1974/1975 | 14807 | 千吨 | 2026-9 |
| 1973/1974 | 11625 | 千吨 | 2026-9 |
| 1972/1973 | 10293 | 千吨 | 2026-9 |
| 1971/1972 | 13589 | 千吨 | 2026-9 |
| 1970/1971 | 13740 | 千吨 | 2026-9 |
| 1969/1970 | 12905 | 千吨 | 2026-9 |
| 1968/1969 | 14779 | 千吨 | 2026-9 |
| 1967/1968 | 14752 | 千吨 | 2026-9 |
| 1966/1967 | 15897 | 千吨 | 2026-9 |
| 1965/1966 | 16686 | 千吨 | 2026-9 |
| 1964/1965 | 14325 | 千吨 | 2026-9 |
| 1963/1964 | 14750 | 千吨 | 2026-9 |
| 1962/1963 | 18407 | 千吨 | 2026-9 |
| 1961/1962 | 18128 | 千吨 | 2026-9 |
| 1960/1961 | 17803 | 千吨 | 2026-9 |