| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1986/1987 | 8183 | 千吨 | 2026-9 |
| 1985/1986 | 7770 | 千吨 | 2026-9 |
| 1984/1985 | 7534 | 千吨 | 2026-9 |
| 1983/1984 | 8250 | 千吨 | 2026-9 |
| 1982/1983 | 7890 | 千吨 | 2026-9 |
| 1981/1982 | 7668 | 千吨 | 2026-9 |
| 1980/1981 | 11626 | 千吨 | 2026-9 |
| 1979/1980 | 6962 | 千吨 | 2026-9 |
| 1978/1979 | 9903 | 千吨 | 2026-9 |
| 1977/1978 | 9937 | 千吨 | 2026-9 |
| 1976/1977 | 10002 | 千吨 | 2026-9 |
| 1975/1976 | 7684 | 千吨 | 2026-9 |
| 1974/1975 | 7979 | 千吨 | 2026-9 |
| 1973/1974 | 9218 | 千吨 | 2026-9 |
| 1972/1973 | 6166 | 千吨 | 2026-9 |
| 1971/1972 | 4022 | 千吨 | 2026-9 |
| 1970/1971 | 5555 | 千吨 | 2026-9 |
| 1969/1970 | 5692 | 千吨 | 2026-9 |
| 1968/1969 | 4583 | 千吨 | 2026-9 |
| 1967/1968 | 3626 | 千吨 | 2026-9 |
| 1966/1967 | 3395 | 千吨 | 2026-9 |
| 1965/1966 | 4134 | 千吨 | 2026-9 |
| 1964/1965 | 3858 | 千吨 | 2026-9 |
| 1963/1964 | 3009 | 千吨 | 2026-9 |
| 1962/1963 | 3781 | 千吨 | 2026-9 |
| 1961/1962 | 3223 | 千吨 | 2026-9 |
| 1960/1961 | 2661 | 千吨 | 2026-9 |