| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1986/1987 | 13799 | 千吨 | 2026-9 |
| 1985/1986 | 14209 | 千吨 | 2026-9 |
| 1984/1985 | 12670 | 千吨 | 2026-9 |
| 1983/1984 | 15657 | 千吨 | 2026-9 |
| 1982/1983 | 13394 | 千吨 | 2026-9 |
| 1981/1982 | 8688 | 千吨 | 2026-9 |
| 1980/1981 | 9236 | 千吨 | 2026-9 |
| 1979/1980 | 7331 | 千吨 | 2026-9 |
| 1978/1979 | 12308 | 千吨 | 2026-9 |
| 1977/1978 | 7674 | 千吨 | 2026-9 |
| 1976/1977 | 12662 | 千吨 | 2026-9 |
| 1975/1976 | 8203 | 千吨 | 2026-9 |
| 1974/1975 | 13777 | 千吨 | 2026-9 |
| 1973/1974 | 9737 | 千吨 | 2026-9 |
| 1972/1973 | 8718 | 千吨 | 2026-9 |
| 1971/1972 | 11572 | 千吨 | 2026-9 |
| 1970/1971 | 11740 | 千吨 | 2026-9 |
| 1969/1970 | 9905 | 千吨 | 2026-9 |
| 1968/1969 | 12779 | 千吨 | 2026-9 |
| 1967/1968 | 11752 | 千吨 | 2026-9 |
| 1966/1967 | 11897 | 千吨 | 2026-9 |
| 1965/1966 | 14686 | 千吨 | 2026-9 |
| 1964/1965 | 12325 | 千吨 | 2026-9 |
| 1963/1964 | 10750 | 千吨 | 2026-9 |
| 1962/1963 | 15407 | 千吨 | 2026-9 |
| 1961/1962 | 15128 | 千吨 | 2026-9 |
| 1960/1961 | 14803 | 千吨 | 2026-9 |