| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1986/1987 | 52017 | 千吨 | 2026-9 |
| 1985/1986 | 44705 | 千吨 | 2026-9 |
| 1984/1985 | 41762 | 千吨 | 2026-9 |
| 1983/1984 | 45868 | 千吨 | 2026-9 |
| 1982/1983 | 39957 | 千吨 | 2026-9 |
| 1981/1982 | 40266 | 千吨 | 2026-9 |
| 1980/1981 | 43857 | 千吨 | 2026-9 |
| 1979/1980 | 46512 | 千吨 | 2026-9 |
| 1978/1979 | 55110 | 千吨 | 2026-9 |
| 1977/1978 | 51974 | 千吨 | 2026-9 |
| 1976/1977 | 59256 | 千吨 | 2026-9 |
| 1975/1976 | 37625 | 千吨 | 2026-9 |
| 1974/1975 | 49565 | 千吨 | 2026-9 |
| 1973/1974 | 49537 | 千吨 | 2026-9 |
| 1972/1973 | 35522 | 千吨 | 2026-9 |
| 1971/1972 | 31677 | 千吨 | 2026-9 |
| 1970/1971 | 34299 | 千吨 | 2026-9 |
| 1969/1970 | 29094 | 千吨 | 2026-9 |
| 1968/1969 | 25939 | 千吨 | 2026-9 |
| 1967/1968 | 22091 | 千吨 | 2026-9 |
| 1966/1967 | 25210 | 千吨 | 2026-9 |
| 1965/1966 | 22616 | 千吨 | 2026-9 |
| 1964/1965 | 18323 | 千吨 | 2026-9 |
| 1963/1964 | 16627 | 千吨 | 2026-9 |
| 1962/1963 | 17490 | 千吨 | 2026-9 |
| 1961/1962 | 11534 | 千吨 | 2026-9 |
| 1960/1961 | 14002 | 千吨 | 2026-9 |